ANNALES HISTORICO-NATURALES MUSEI NATIONALIS HUNGARICI Volume 96 Budapest, 2004 pp

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ANNALES HISTORICO-NATURALES MUSEI NATIONALIS HUNGARICI

Volume 96 Budapest, 2004 pp. 285-297.

Bithynia leachii (Sheppard, 1823) and Bithynia troschelii

(Paasch, 1842) in Hungary (Prosobranchia: Bithyniidae)

P. GLÖER1 & Z . FEHÉR2

'Schulstr. 3, D-25491 Hetiingen, Germany. E-mail: gloeer@malaco.de 2 Department of Zoology, Hungarian Natural History Museum, H-1088 Budapest, Baross u. 13, Hungary. E-mail: feher@nhmus.hu

Abstract - The different conchological shell characters and penis morphology of Bithynia leachii (SHEPPARD, 1823) and Bithynia troschelii (PAASCH, 1842) are described. By studying 500 lots, orig­ inating from the Hungarian Natural History Museum, Budapest, the Mátra Museum, Gyöngyös, the Munkácsy Mihály Museum, Békéscsaba, the Hungarian Shell Museum, Nagykovácsi and the private collections of GÁBOR MAJOROS and EDE PETRÓ, the present knowledge of the distribution of the two species is depicted on maps. With 17 figures.

Key words - Bithynia leachii, Bithynia troschelii, distribution, Hungary, taxonomy.

I N T R O D U C T I O N

W h e n i n 1842 PAASCH described Bithynia troschelii (as Paludina troschelii), he had p r e s u m a b l y a species m i x t u r e o f B. leachii a n d B. troschelii before h i m s e l f , and he t h o u g h t that the s m a l l and large a n i m a l s w e r e o f one a n d the same species. So it was i m p o s s i b l e f o r h i m to p o i n t o u t the specific d i s t i n g u i s h i n g shell c h a r a c ­ ters. A s Bithynia leachii h a d already been described b y SHEPPARD i n 1823, B. troschelii w i d e l y f e l l i n t o o b l i v i o n after this f i r s t d e s c r i p t i o n h a d been n o t i c e d , h e n c e f o r t h i t was used o n l y as a s y n o n y m (CLESSIN 1876) or was n o t even m e n ­ t i o n e d at a l l (CLESSIN 1887). I n 1886, WESTERLUND was the f i r s t t o add Bithynia troschelii to the l i s t as a d i s t i n c t species and to p u t emphasis o n the d i f f e r e n t s h e l l characters o f this p a r t i c u l a r species. GEYER (1927) r e g a r d e d B. troschelii b u t as a bigger f o r m o f B. leachii, i n d i c a t i n g , h o w e v e r , that the aperture was s l i g h t l y b l u n t -edged a b o v e , whereas the aperture o f B. leachii is o f a r o u n d e d e g g - l i k e shape. E H R M A N N (1933) p o i n t e d o u t the differences i n the characters o f the apertures, too. H o w e v e r , since JAECKEL (1961) o n l y differences i n the heights o f the shells w e r e c o n s i d e r e d , a n d Bithynia troschelii was t a k e n to be a g e o g r a p h i c a l subspecies ( G L Ö E R & M E I E R B R O O K 2003, GLÖER 2002Ö, b). F o r the first t i m e again, F A L NIOWSKI (1989) a d m i t t e d Bithynia leachii and B. troschelii t o be l o o k e d at as d i s

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-tinct species, and, also for the first time, he scrutinized the penis morphology as

well as the anatomy and further characteristics (FALNIOWSKI 1989, 1990).

NESEMANN ( 1994), FALKNER et al. (2001 ) and FALKNER (2003) proposed to

employ the name Bithynia transsilvanica B l E L Z , 1852 for B. troschelii, neverthe­

less GLÖER could show (2002, 2004) that B. troschelii PAASCH, 1842 is the valid

name. On account of the general uncertainty which species was actually meant by

the name Bithynia troschelii, GLÖER (2002) defined a lectotype of B. troschelii.

Unlike in the German literature SOÓS (1943) distinguished Bithynia troschelii

as a geographic race of Bithynia leachii: " . . . In Hungary and generally in

East-Europe, and partly in the northern part o f Europe there is a geographical race, B.

leachi troscheli PAASCH, which is even more frequent than the nominate form. In

contrast with the nominate form, this subspecies is characterized by taller, more

scalariniform spire, larger number of whorls (up to 5 1/2), its aperture tends to form

an angle upside, and larger, sometimes much larger size, which can be 12 : 8 mm,

or the height can be even 13 m m . By the way its shape and size varies between

wide range, there can be thin and tumid specimens as well. The convexity of the

whorls varies too, and therefore the whorls come over each other sometimes like

the scale, sometimes it is less characteristic". Unfortunately he presented as Bithy­

nia leachii a picture of B. troschelii (SOÓS 1943: table I I , f i g . 25). After that oc­

curred in ^Hungary, as in other European countries, too, no clear separation be­

tween B. leachii and B. troschelii existed any more. RlCHNOVSZKY and PINTER

(1979) mentioned/ troscheli PAASCH as a simple size variation of Bithynia leachii

and did not see the sense of any separation. Therefore, Hungarian authors treated

the two forms as a single species up to the present (e.g. DOMOKOS & LENNERT

2000,

F E H É R & G U B Á N Y I

2001,

K O V Á C S & DOMOKOS

1987,

V A R G A & C S Á N Y I

1998). While GLÖER (2002a) was still thinking that Bithynia troschelii was a sub­

species, GLÖER & FALNIOWSKI (2004) through further investigations could show

that it is a question nevertheless of distinct species.

Because the two species were not always distinguished unambiguously in the

past, the evaluation of literature is inadequate to get a picture of the distribution of

Bithynia troschelii. Here the disadvantages o f taxonomie lumping show once

again. On the other hand, taxonomie splitting, like

B E R I O Z K I N A

et al. ( 1995) do, is

confusing, because they split the species Bithy nia leachii ww&B. troschelii (subge­

nus Codiella) into two subgenus w i t h 7 species. In order to reach at an unambigu­

ous picture of distribution, the only way is the evaluation of collected material.

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M A T E R I A L S A N D M E T H O D S

Five hundred lots have been studied, originating from the Hungarian Natural History Museum, Budapest, the Mátra Museum, Gyöngyös, the Munkácsy Mihály Museum, Békéscsaba, the Hungar­ ian Shell Museum, Nagykovácsi and the private collections of GÁBOR MAJOROS and EDE PETRÓ. In some lots we could study the penis morphology of some specimens, so we are sure, that the species from Hungary are similar to the ones from Northern Germany.

Studying the valuable materials from Hungary, it would be possible to recognise that Bithynia troschelii in contrast to B. leachii has a great variability. Deviating forms of the typical Bithynia troschelii were always interpreted up to now as intermediate hybrid forms. In Northern Germany these deviating forms occur always together with the more frequent Bithynia leachii, so this conclu­ sion was obvious. In Hungary there occur isolated as well as syntopic populations, also with an al­ most oval operculum, so that the concept of geographic subspecies cannot be accepted.

D I A G N O S E S

We have to consider that height of the shell is not an unambiguous character.

There are large Bithynia leachii (up to 11 mm) as well as small B. troschelii (down

to 5 mm). Only the form of the aperture and the operculum are typical characters,

but which are more variable in Bithynia troschelii. The only good character is in

case o f doubt the penis morphology.

I f the larger form of Bithynia leachii is a representation of abnormal growth

caused by parasitic castration, or some specimens live a year longer, for what rea­

son ever, and simply continue to grow, is not known until now. It is only known

that the larger form of Bithynia tentaculata (LINNAEUS, 1758), B. tentaculata f.

producta M E N K E , 1828 has not been infected at all by trematodes (GLÖER 2002/?).

Bithynia leachii (SHEPPARD, 1823) (Figs 1-4, 10-12). The typical shell o f B.

leachii has 4-4.5 convex shouldered whorls with a deep suture and a height from 4

to 6 m m , and the aperture as well as the operculum are ovally rounded. The mantle

of B. leachii has a black background with big white spots and a typical white bold

line near the mantle edge. The appendix of penis branches off from the distal third

of the penis.

Bithynia troschelii (PAASCH, 1842) (Figs 5-9, 13-17). The typical shell o f B.

troschelii has convex whorls with a flat suture and a height o f 8 to 10 m m , and the

aperture as well as the operculum show an obtuse angle, and at the point o f contact

w i t h the last w h o r l they are concave. The mantle pigmentation of B. troschelii is o f

a black background with smaller round white spots and, in addition, one or t w o

large white gaps. The appendix o f penis branches o f f from the proximal third o f the

penis. Bithynia troschelii has in contrast to B. leachii a sucker at the tip of the ap­

pendix of penis as B. tentaculata.

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Figs 1-9. 1—4 = Bithynia leachii (SHEPPARD, 1823), Balatonmáriafiirdő (leg. G. MAJOROS, 2003). 1 = shell (magnification 10:1 ), 2 = mantle (magnification 10:1), 3 = operculum (magnification 15:1 ), 4 = penis (magnification 20:1 ). 5-9 = B. troschelii (PAASCH, 1842), F e n é k p u s z t a : Kis-Balaton, reservoir I I . at the confluence o f D é l i - k e r e s z t c s a t o r n a and H é v í z - P á h o k i - c s a t o r n a (leg. A . VARGA, 2003). 5 = shell (magnification 10:1), 6 = mantle (magnification 10:1 ), 7 = operculum (magnification 15:1 ), 8 = penis (magnification 20:1), 9 = penis (magnification 20:1). Explanation: p = penis, p i = appendix o f penis,

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Figs 10-17. 10-12 = Bithynia leachii (SHEPPARD, 1823) (magnification 10:1). 10-1 1 = Hédervár: Kastély-árok, in the park of the mansion (leg. G. MAJOROS 1991), 12. = Ócsa: Felsőbabád (ash-alder forest) (leg. G. MAJOROS, 1999). 13-17 = B. troschelii (PAASCH, 1842) (magnification 10:1). 13 = Békéscsaba: Élővíz-csatorna (leg. T. DOMOKOS 1979), 14 = Hatvan (leg. G. MAJOROS), 15 = Ócsa: Felsőbabád (ash-alder forest) (leg. G. MAJOROS, 1999), 16-17 = Balatonmagyaród: Kis-Balaton,

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The height o f the shell and the form of the aperture and the operculum are

variable. To determine the small Bithynia troschelii (5 mm) we have to look at the

flatter suture and whorls. The aperture is, even i f it appears ovally rounded, slightly

concave at the point o f contact w i t h the last whorl.

Both taxa live in small brooks up to big lakes, but are found in shallow areas

of slowly running waters, too. As far as degree o f pollution o f the water is con­

cerned, Bithynia troschelii seems to be less particular than B. leachii, as we found

in a dammed-up part o f a river in Hamburg abundances of 1,300 individuals per m

2

coexisting with 2,680 individuals of Bithynia tentaculata per m

2

(0.25 m

2

counted

and extrapolated to 1 m

2

) .

Both taxa prefer the lowlands, with Bithynia troschelii preferring continental

climate, in contrast with Bithynia leachii that lives in maritime climates of west

European sites as well (GLÖER 2002a).

Distribution o f the two taxa in Central Europe is considered well known, be­

cause an important gap o f the distribution in Hungary could be closed now. The

distribution of Bithynia leachii and B. troschelii in the Baltic region and in Eastern

Europe is still unknown.

D I S T R I B U T I O N OF T H E T W O SPECIES I N H U N G A R Y

Bithynia leachii (SHEPPARD, 1823)

(Fig. 18)

BS - 73: Dombóvár: Szarvasd (leg. L . VÖRÖSS, 1956).

B T - 7 1 : Balatonalmádi (leg. J. PODANI, 1969); Balatonalmádi: Káptalanfüred, Balaton (leg. GY. KOVÁCS, 1983); Balatonfűzfő (leg. J. PODANI, 1979). - 8 1 : Balatonkenese (leg. K. VARGA, 1988). - 89: Komárom: W of the Monostori-erőd (leg. A. SZAKOLCZAI, 1987). - 92: Sárszentmi-hály: at the lignit mine (leg. FŰKÖH & KROLOPP 1982).

C R - 2 9 : Mohács: Mohácsi-sz. (leg. A. GEBHARDT, 1959).

CS - 18: Cece: Sárvíz (leg. I . PINTÉR, 1982). - 2 4 : Sióagárd: Sárvíz (leg. I . PINTÉR, 1984).-4 1 : Baja [in a ditch] (leg. I . PINTÉR, 1976); Baja: Ferenc-csatorna (leg. T. DOMOKOS, 1976, G Y . KOVÁCS, 1971, 1976). - 9 7 : Bugac (leg. M . NEIGER, 1984).

C T - 0 1 : Soponya: E of the village, Halastavak (leg. G . MAJOROS, 1984, 1985, 1987). - 10: Sárkeresztúr: Sárvíz (leg. G . MAJOROS, 1985). - 39: Esztergom: Primás-sz., Duna (leg. G . MAJO­ ROS, 1986, 1987, L . PINTÉR, 1965). - 49: Pilismarót: Duna [fluvial drift] (leg. I . FÜRJES, 1983, L. Fürjes, 1984, 1986, 1987). - 56: Budapest ( - ); Budapest: Rákospalota, Szilas-patak (leg. E. PETRÓ,

1968). - 57: Budakalász: Luppa-sziget, Duna (leg. G . MAJOROS, 1981); Budapest: Római-part (leg. GY. KOVÁCS, 1961).-63: Ócsa (leg. HALÁSZFY, 1953, M . MOGER, 1957, O. SÁNDOR, 1956);Ócsa [alder fen] (leg. P. AGÓCSY, 1958); Ócsa: Felsőbabád (leg. G . MAJOROS, 1982, 1983, 1987, 1996, 1997, 1998, 1999); Ócsa: Mádencia, forester's hut (leg. G . MAJOROS, 1987); Ócsa: Nagy-erdő (leg. L. DRIMMER, 1990); Ócsa: Turjános (leg. G . MAJOROS, 1980, 1982). - 66: Budapest: Cinkota,

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Naplás-tó (leg. L . DRIMMER, 1992); Budapest: Rákos (leg. D. LUKÁCS, 1954). - 73: Inárcs (leg. L . DRIMMER, 1985).

DS - 32: Szeged (leg. L . VÖRÖSS, 1959); Szeged: Alsóközpont [ponds] (leg. K. CZÓGLER, 1940); Szeged: Maros [fluvial drift] (leg. P. AGÓCSY, 1960); Szeged: Tisza (leg. L . VÖRÖSS, 1951 ). -69: Szarvas: ÖKI, [reeds in a channel] (leg. T. DOMOKOS, 1993).

D T - 0 6 : Tóalmás (leg. G. N A G Y , 1977). - 0 7 : Hatvan: near the student-camp [in a ditch] (leg. A. V A R G A , 1978). - 08: Hort: Köpüs-kút (leg. A. N Y I L A S , 1975). - 81: Tiirkeve: Berettyó [fluvial drift] (leg. I . D O B R A , 1989).

DU - 13: Somoskőújfalu [alder forest] (leg. P. AGÓCSY, 1962).

ES - 07: Békéscsaba: Körgát [in a ditch] (leg. GY. KOVÁCS, 1961). - 16: Békéscsaba: Fényesi-szőlők [in a ditch] (leg. GY. KOVÁCS, 1963). - 17: Szanazug: Fehér-Körös (leg. E. PETRÓ,

1980). - 2 7 : Doboz: Marói-erdő (leg. GY. KOVÁCS, 1964). FU - 10: Tyúkod: Keleti-övcsatorna (leg. I . PINTÉR, 1982).

X M - 62: Csurgó [in a ditch] (leg. Gy. KOVÁCS, 1957). - 66: Balatonmagyaród: Kis-Balaton, reservoir I . (leg. B. CSANYI, 1994); Balatonmagyaród: Kis-Balaton, reservoir I . , dam 4T (leg. B. CSANYI, 1997); Balatonmagyaród: Kis-Balaton, reservoir I . , Kányavári-sz. (leg. B. CSANYI, 1996); Balatonmagyaród: Kis-Balaton, reservoir IL, Almás-sz. (leg. B. CSÁNYI, 1997, A. VARGA, 1995, 1996); Balatonmagyaród: Kis-Balaton, reservoir IL, Fenyős-sz. (leg. A. VARGA, 1996); Balatonma­ gyaród: Kis-Balaton, reservoir IL, Hangyálos-sz. (leg. A. VARGA, 1995); Balatonmagyaród: Kis-Ba­ laton, reservoir I L , Kiskomáromi-csatorna (leg. B. CSÁNYI, 1988, 1996); Balatonmagyaród: Kis-Ba­ laton, reservoir I L , Magyaros-sziget [sedge vegetation] (leg. B. CSÁNYI, 1996, A. VARGA, 1996); Esztergályhorváti: Kis-Balaton, reservoir I . , Szabari-viz (leg. B. CSÁNYI, 1995, 1997); Nagyrada: Kis-Balaton, reservoir I . , Magyaródi-víz (leg. B. CSÁNYI, 1989); Nagyrada: Kis-Balaton, reservoir

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L, Radai-malomárok (leg. B. CSÁNYI, 1988); Nagyrada: Kis-Balaton, reservoir I . , Radai-víz (leg. B. CSÁNYI, 1988); Zalavár: Kis-Balaton, reservoir I I . (leg. B. CSÁNYI, 1996); Zalavár: Kis-Balaton, reservoir I I . , Zala (leg. B. CSÁNYI, 1996). - 67: Fenékpuszta: Kis-Balaton, Kilátói-csatorna (leg. I . PINTÉR, 1965, 1968, 1973); Fenékpuszta: Kis-Balaton, reservoir I I . , at the confluence of Hévíz-Páhoki-csatorna and Déli-keresztcsatorna (leg. A. VARGA, 1996); Keszthely: Berek (leg. I . PINTÉR,

1956); Zalavár: Kis-Balaton, Felsőmély-csatorna (leg. I . PINTÉR, 1953); Zalavár: Kis-Balaton, reser­ voir I F , at the mouth of Zala-Somogyi-határárok (leg. A. VARGA, 1996); Zalavár: Kis-Balaton, reser­ voir IL, Zalavári-víz (leg. B. CSÁNYI, 1991, 1994). - 68: Alsómánd: Zala (leg. I . PINTÉR, 1964); Hévíz (leg. L . VÖRÖSS, 1952); Hévíz: Gyógytó (leg. A. TÓTH, 1962); Hévíz: Hévízi-lefolyó (leg. R. SUARA, 1984); Hévíz: Hideg-csatorna (leg. I . PINTÉR, 1966); Keszthely: Berek, Meleg-csatorna (leg. I . PINTÉR, 1972); Keszthely: Óberek-csatorna (leg. I . PINTÉR, 1968); Hévíz: S of the town [cypress forest] (leg. I . PINTÉR, 1978). - 75: Nemesvid [alder forest] (leg. I . PINTÉR, 1979). - 76: Szegerdő: near the Marót-völgyi-csatorna (leg. A. VARGA, 1996). - 77: Balatonberény: Balaton [reedy shore] (leg. ZS. PÁLFIA, 1981); Balatonberény: W of the village, Balaton (leg. G. MAJOROS, 1992); Bala­ tonszentgyörgy: Balaton (leg. I . PINTÉR, 1958); Fenékpuszta: at the mouth of Zala (leg. G. MAJO­ ROS, 1985, I . PINTÉR, 1965); Fenékpuszta: Balaton (leg. JUHÁSZ & KOVÁCS 1995, G. MAJOROS,

1998,1. PINTÉR, 1973, A. VARGA, 1967); Fenékpuszta: Hévíz-Páhoki-csatorna (leg. I . PINTÉR, 1956); Fenékpuszta: Kis-Balaton, ornithological observation tower (leg. A. VARGA, 1995); Fenékpuszta: Nyugati-berek, Zala (leg. JUHÁSZ & KOVÁCS, 1995); Fenékpuszta: Zala (leg. B. CSÁNYI, 1989, 1995,1996, A. VARGA, 1967); Fenékpuszta: Zala, dam 21T (leg. A. VARGA, 1996); Keszthely: Bala­ ton (leg. I . PINTÉR, 1966); Keszthely: Fenék-patak [swamp] (leg. I . PINTÉR, 1964); Keszthely: Fenék­ puszta (leg. M . ZÖRÉNYI, 1988,1. PINTÉR, 1972.); Keszthely: Fenékpuszta [sand-pit] (leg. I . PINTÉR, 1951); Balatonberény: W of the village [reeds] (leg. G. MAJOROS, 1987). - 7 8 : Balatongyörök (leg. M . ZÖRÉNYI, 1988); Balatongyörök: Balaton [reedy shore] (leg. I . PINTÉR, 1952); Balatongyörök: E of Szt. Mihály-domb [bog] (leg. I . PINTÉR, 1952); Balatongyörök: Szt. Mihály-domb [willow forest] (leg. I . PINTÉR, 1952); Balatongyörök: Szt. Mihály-domb, Balaton (leg. I . PINTÉR, 1960, 1978); Gyenesdiás: Balaton (leg. I . PINTÉR, 1952); Gyenesdiás: Szt. János-forrás (leg. I . PINTÉR, 1952); Keszthely: at the mouth of Büdös-árok [reeds] (leg. I . PINTÉR, 1952); Keszthely: Balaton (leg. I . PINTÉR, 1977, 1978); Keszthely: Balaton [lacustrine drift] (leg. I . PINTÉR, 1982); Keszthely: Bala­ ton, sailboat harbour (leg. G. MAJOROS, 1997); Keszthely: near the Büdös-árok (leg. I . PINTÉR, 1952); Keszthely: Zámor, Balaton (leg. I . PINTÉR, 1973); Vonyarcvashegy (leg. I . PINTÉR, 1952, 1966); Vonyarcvashegy: Balaton [reedy shore] (leg. I . PINTÉR, 1952); Vonyarcvashegy: Szentmihályi-pa­ tak (leg. I . PINTÉR, 1952). - 79: Lesenceistvánd: Uzsai-halastavak (leg. I . PINTÉR, 1962). - 87: Balatonmáriafürdő: Balaton [reedy shore] (leg. G. MAJOROS, 1985, 1988); Balatonmáriafürdő: Ba­ laton, W of the boat station [willow shrubs] (leg. G. MAJOROS, 1995); Kéthely: Nagy-Berek, Nyuga­ ti-övcsatorna, Bürü-híd (leg. B. CSÁNYI, 1991). - 88: Balatonederics: near the railway station (leg. A. VARGA, 1986); Badacsonytördemic: Berek (leg. I . PINTÉR, 1975); Badacsonytördemic: Lábdi student-camp, Balaton (leg. JUHÁSZ & KOVÁCS, 1995); Balatonederics (leg. I . PINTÉR, 1967); Balatonederics: Balaton (leg. I . PINTÉR, 1978); Balatonederics: Világos-patak (leg. I . PINTÉR, 1971); Balatongyörök: Szép-kilátó (leg. I . PINTÉR, 1953); Szigliget: Külsősoponya, Balaton (leg. JUHÁSZ & KOVÁCS, 1995). - 97: Balatonfenyves (leg. A. KÁROLYI, 1964); Balatonfenyves: Balaton [reedy shore] (leg. E. PETRÓ, 1980); Balatonfenyves: Rigó-árok (leg. E. PETRÓ, 1980); Fonyód: Nagy-Be­ rek (leg. B. CSÁNYI, 1991).- 98: Badacsonytomaj: Balaton (leg. E. PETRÓ, 1978); Badacsonytomaj: Badacsonyörs, Balaton (leg. JUHÁSZ & KOVÁCS, 1995); Fonyód: Balaton (leg. I . PINTÉR, 1956).

X N - 28: Fertőrákos: waterworks' station [in a channel] (leg. I . PINTÉR, 1985). - 69: Jánossomorja: Szőke-tó (leg. I . KIRÁLY, 1951). - 78: Barbacs: near Barbacsi-tó [in an artificial pound] (leg. I . PINTÉR, 1973); Barbacs: near Barbacsi-tó [reed vegetation] (leg. I . PINTÉR, 1973); Lébénymiklós (leg. O. FEGYVERES, 1996); Lébénymiklós [in a forest] (leg. I . PINTÉR, 1979);

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Tárnokréti: Rábca (leg. G. MAJOROS, 1996). - 84: Pápa: Tapolca (leg. I . VÁSÁRHELYI, 1953). - 86: Rábaszentmiklós: Marcal (leg. I . PINTÉR, 1979). - 88: Börcs: Rábca-holtág (leg. L. DRIMMER, 1984). - 89: Novákpuszta: E of the village [alder forest, sedgy marsh] (leg. G. MAJOROS, 1996, 1997); Novákpuszta: E of the village [alder forest] (leg. G. MAJOROS, 1992, 1993, 1994); Novákpuszta: E of the village, Nováki-csatorna (leg. Z. FEHÉR, 1999); Mecsén Mosoni-Duna (leg. B. CSÁNYI, 1995); Novákpuszta: cemetery near the Nováki-csatorna [alder forest] (leg. G. MAJOROS, 2001). - 97: Gyirmót: Marcal-holtág (leg. A. RlCHNOVSZKY, 1979). - 98: Győr, Kis-Duna [in the flood plain] (leg. I . PINTÉR, 1981); Győr: Duna-Lapos-ér (leg. L. DRIMMER, 1986); Győr: Mosoni-Duna, at the Vásárhelyi-híd (leg. G Y. KOVÁCS, 1977); Győr: Püspök-erdő (leg. I . PINTÉR, 1973); Győr: Rábca [fluvial drift] (leg. GY. KOVÁCS, 1979); Győr: Révfalu, Mosoni-Duna (leg. B. CSÁNYI, 1994). - 99: Győrzámoly [reeds] (leg. I . PINTÉR, 1981); Győrzámoly: Szavai-csatorna, Patkányosi-ág (leg. B. CSÁNYI, 1994); Győrzámoly: Zámolyi-csatorna (leg. B. CSÁNYI, 1995); Vámosszabadi: Szavai-csatorna (leg. B. CSÁNYI, 1994, 1995).

X P - 7 0 : Arak: Kis-Kerek [alder fen] (leg. G. MAJOROS, 1996); Arak: Nagy-Kerek [aider fen] (leg. G. MAJOROS, 1994, 1996); Arak: Nováki-csatorna (leg. B. CSÁNYI, 1993, 1996); Dunasziget: Gazfűi-holt-Duna, Kányás (leg. B. CSÁNYI, 1995); Arak: E of the village [ponds in an elder-poplar-alder forest] (leg. G. MAJOROS, 1991); P ü s k i : Nováki-csatorna (leg. B. CSÁNYI, 1997); Arak: W of the village [alder fen] (leg. G. MAJOROS, 1995); Darnózseli: W of the village [alder-ash forest] (leg. G. MAJOROS, 1991); P ü s k i : W of the village, Nováki-csatorna (leg. Z. FEHÉR, 1999, G. MAJO­ ROS, 1997, 1998). - 71: Dunasziget: Cikolai-Duna-ág, dam Z-8 (leg. B. CSÁNYI, 1997); Sérfenyő-sziget: Gazfűi-Duna [drift] (leg. G. MAJOROS, 1994); DunaSérfenyő-sziget: Cikolai-Duna-ág, dam B-2 (leg. B. CSÁNYI, 1995); Dunasziget: Nagysziget, Gazfűi-Holt-Duna (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1995) . - 8 0 : Hédervár: 1 km W of the village [in a channel] (leg. G. MAJOROS, 1991 ); Ásványráró: Ásványi-Duna (leg. G. MAJOROS, 1996); Ásványráró: Ásványi-Duna, dam Z-12 (leg. B. CSÁNYI, 1996) ; Lipót: Duna, 1824. rkm (leg. G. MAJOROS, 2001); Hédervár: E of the village [in a channel] (leg. G. MAJOROS, 1992); Hédervár: Kastély-árok (leg. B. CSÁNYI, 1997); Hédervár: Kastély-árok, in the park of the mansion (leg. G. MAJOROS, 1991, 1992, 1993, 1994, I . PINTÉR, 1979, 1981); Hédervár: Lipót-Hédervári-csatorna (leg. B. CSÁNYI, 1995, 1996); Kisbodak: S of the Gátőrház [ponds in a planted poplar forest] (leg. G. MAJOROS, 1992); Lipót: Ásványi-Duna-ág, Gombó-cosi-zárás (leg. B. CSÁNYI, 1995); Ásványráró: Duna, opposite to the Újsziget (leg. G. MAJOROS,

1991 ); Lipót: N of the village, Duna [fluvial drift] (leg. G. MAJOROS, 1992); Lipót: NE of the village [drift of the Duna in the gallery forest] (leg. G. MAJOROS, 1992); Lipót: NE of the village, in a little island, Duna [drift] (leg. G. MAJOROS, 1992); Darnózseli: S of the village, Nováki-csatorna (leg. B. CSÁNYI, 1996, 1997).

Y M - 08: Balatonboglár: Balaton [lacustrine drift] (leg. A. KÁROLYI, 1964). - 09: Zánka: Balaton, SW of the Zánka-Köveskál station (leg. GY. PERJÉS I , 1984). - 10: Szigetvár: near the for­ tress, Almás-p. (leg. I . PINTÉR, 1987). - 19: Balatonföldvár: at the mouth of the Köröshegyi-séd (leg. A. HAJDÚ A. 1985); Balatonszárszó: Balaton (leg. T. DOMOKOS, 1976). - 2 9 : between Balatonföld­ vár and Szántód [swamp] (leg. G. MAJOROS, 1998); Szántód: Balaton (leg. D. ANTONOVITS, 1987, T. DOMOKOS, 1976); Tihany: Balaton [lacustrine drift] (leg. SIPOS & SZIGETHY, 1983).

YN-09:Kisbajcs: Szavai-csatorna (leg. B. CSÁNYI, 1994, 1995,1996). - 1 0 : Tihany: Balaton (leg. G. MAJOROS, 1990). - 20: Paloznak: Balaton, Paloznaki-öböl (leg. JUHÁSZ & KOVÁCS, 1995).

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Bithynia troschelii ( P A A S C H , 1842)

(Fig. 19)

BR - 67: B a r a n y a h í d v é g : F e k e t e - v í z [drift] (leg. NÓGRÁDI & UHERKOVICH, 1999); Kisszent-m á r t o n : M a j l á t h p u s z t a (leg. A . GEBHARDT, 1958).

B T - 98: Tata (leg. I . VÁSÁRHELYI, 1949).

C R - 2 9 : H ó d u n a : Dunaliget, Duna [ i n the f l o o d plain] (leg. Á. UHERKOVICH, 1991). CS - 24: S i ó a g á r d : S á r v í z (leg. I . PINTÉR, 1984). - 41: Baja: Ferenc-csatorna (leg. T . DOMO­ KOS, 1976).

CT - 01: Soponya: E o f the village, Halastavak (leg. G. MAJOROS, 1985, 1987). - 10: Sárke-resztúr: S á r v í z (leg. G. MAJOROS, 1985). - 39: Esztergom: E o f the t o w n , D u n a [drift] (leg. G . M A ­ JOROS, 1996); Esztergom: P r i m á s - s z . , Duna ( l e g . L . PARÁSZKA, 1979). - 49: P i l i s m a r ó t : Duna [fluvial d r i f t ] (leg. É . FÜRJES, 1984); V i s e g r á d : Duna, 1695 str. k m (leg. B . CSÁNYI, 1994). - 63: Ócsa: F e l s ő b a b á d (leg. G. MAJOROS, 1987, 1996, 1999); Ócsa: Madencia, Ó c s a i - e r d ő , forester's hut (leg. G. MAJOROS, 1987); Ó c s a : T u r j á n o s (leg. G . MAJOROS, 1980, 1982). - 66: Budapest: R á k o s ( l e g . L . VÖRÖSS, 1936, D . LUKÁCS, 1954).-72: Dabas [alder-fen] (leg. B . CSÁNYI, 1988).-97: Tura: Galga (leg. A. VARGA, 1986).

C U - 5 2 : Hont: I p o l y [ i n the flood plain] (leg. L . PINTÉR, 1966).-62: I p o l y s z ö g : N E o f the v i l ­ lage [alder fen] (leg. BÁNKUTI & VARGA, 1984, A. VARGA, 1981).

DS - 29: Lakitelek (leg. I . VÁSÁRHELYI, 1948). - 32: Szeged: city, Tisza (leg. T . DOMOKOS, 1986); Szeged: Tisza (leg. E . PETRÓ, 1983); Szeged: Ú j s z e g e d , Tisza [fluvial drift] (leg. G Y . KOVÁCS, 1961). - 37: C s o n g r á d : H á r m a s - K ö r ö s [ i n the flood plain] (leg. A . HORVÁTH, 1958). - 49: K u n g y a l u : Verebes, K ö r ö s [ d r i f t ] (leg. T . DOMOKOS, 1988). - 59: Ö c s ö d : F a l u a l j a - h o l t á g [sedgy

8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4

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marsh] (leg. T. DOMOKOS, 1990). - 69: B é k é s s z e n t a n d r á s : K ö r ö s (leg. T. DOMOKOS, 1 9 8 9 ) ; Szarvas: Aranyos-zug [pond] (leg. T. DOMOKOS, 1 9 8 9 ) ; Szarvas: A r b o r e t u m (leg. T . DOMOKOS,

1991); Szarvas: E r z s é b e t - l i g e t , H o l t - K ö r ö s [drift] (leg. T. DOMOKOS, 1 9 9 2 ) ; Szarvas: H a l á s z t e l e k , H á r m a s K ö r ö s (leg. B . CSÁNYI, 1 9 9 5 ) ; Szarvas: K i s f o k [sedgy marsh] (leg. T . DOMOKOS, 1 9 9 0 ) . -79: M e z ő t ú r : Perespuszta, H o l t - K ö r ö s (leg. B . CSÁNYI, 1995). - 89: G y o m a : H á r m a s - K ö r ö s [ i n the flood plain] (leg. J. PODANI, 1 9 6 9 ) ; G y o m a e n d r ő d : H á r m a s K ö r ö s (leg. T . DOMOKOS, 1 9 9 2 ) ; G y o -m a e n d r ő d : T e -m p l o -m - z u g , upper-branch (leg. T. DOMOKOS, 1 9 9 2 ) ; G y o -m a e n d r ő d : T e -m p l o -m - z u g , western branch (leg. T . DOMOKOS, 1993). - 99: G y o m a e n d r ő d : Z s ó f i a m a j o r , H á r m a s - K ö r ö s , S i r a t ó i - h o l t á g (leg. K . BÁBA, 1978).

D T - 0 6 : J á s z f e l s ő s z e n t g y ö r g y (leg. I , VÁSÁRHELYI, 1 9 5 0 ) . - 0 7 : B o l d o g : S of the village [ w a ­ ter-meadow] (leg. A . VARGA, 1 9 7 8 ) ; Hatvan: G ö r b e - é r (leg. GY. NAGY, 1 9 7 4 ) ; Hatvan: SE o f the town, Z a g y v a - h o l t á g (leg. G. MAJOROS, 1979, 1 9 8 7 ) . - 08: Hort: K ö p ü s - k ú t (leg. A . NYILAS, 1 9 7 5 ) . - 15: J á s z b e r é n y : Hajta (leg. A . VARGA, 1988); J á s z b e r é n y : Hajta, M o r o t v a [swamp] (leg. A . VARGA, 1988). - 5 5 : Pály: Tisza, m a d á r r e z e r v a t u m (leg. I . LŐRINCI, 1980). - 6 6 : K i s k ö r e : Tisza [drift] (leg. A . V A R G A , 1979). - 81: T ú r k e v e : H o r t o b á g y - B e r e t t y ó - f ő c s a t o r n a , B a l l a - h í d (leg. T. DOMO­ KOS, 1 9 8 9 ) ; T ú r k e v e : T e m p l o m - z u g (leg. KOVÁCS & DOMOKOS, 1 9 9 2 ) .

DU - 82: M i s k o l c : H e j ő c s a b a , H e j ő - p a t a k (leg. A . HORVÁTH, 1 9 6 1 ) . - 93: Onga: H e r n á d (leg. I . VÁSÁRHELYI, 1950).

ES - 07: B é k é s c s a b a : É l ő v í z - c s a t o r n a (leg. T . DOMOKOS, 1979, GY. KOVÁCS, 1979, 1 9 8 4 ) ; B é k é s c s a b a : S z é c h e n y i - l i g e t (leg. GY. KOVÁCS, 1 9 7 0 ) ; Doboz: Ó v á r i - c s a t o r n a [drift] (leg. T . DOMOKOS, 1 9 8 6 ) . - 18: B é l m e g y e r : K é t á g i - t i l t ó [drift] (leg. T. DOMOKOS, 1 9 8 8 ) . - 3 9 : M e z ő g y á n : V á t y o n p u s z t a [a channel in the oak forest] (leg. L . ZSENI, 1978).

E T - 0 0 : K ö r ö s l a d á n y : S e b e s - K ö r ö s (leg. GY. KOVÁCS, 1978). - 10: Szeghalom: Kernyei-sz. B e r e t t y ó [ d r i f t ] (leg. DOMOKOS & H o m o k i , 1 9 8 8 ) ; Szeghalom: Kutasi-csatorna (leg. T . DOMOKOS,

1 9 8 0 ) ; Szeghalom: Ö l y v ö s - c s a t o r n a (leg. GY. KOVÁCS, 1980). - 6 3 : Pocsaj [fen] (leg. T. DOMOKOS, 1 9 8 9 ) . - 64: L é t a v é r t e s : N a g y l é t a , Ő s l á p (leg. CSATHÓ & DOMOKOS, 1 9 8 6 ) .

EU - 01 : Sajóőrs [swamp] (leg. KOVÁCS & VARGA, 2 0 0 1 ). - 23: B o d r o g k e r e s z t ú r : B o d r o g [ i n the Hood p l a i n ] (leg. T. DOMOKOS, 1 9 8 1 ) ; B o d r o g k e r e s z t ú r : B o d r o g , near the Lebuj c s á r d a (leg. G Y . KOVÁCS, 1 9 8 1 , A . VARGA, 1981). - 3 2 : Tokaj: Tisza [fluvial drift] (leg. GY. KOVÁCS, 1 9 8 1 ) .

FT - 19: T y ú k o d : L á p i - f ő c s a t o r n a (leg. I . PINTÉR, 1982).

X M - 5 2 : G y é k é n y e s : pump-station (leg. B . CSÁNYI, 1994). - 62: C s u r g ó (leg. Gy. KOVÁCS, 1 9 5 7 ) ; C s u r g ó : S a s a j l a - e r d ő (leg. GY. KOVÁCS, 1957); C s u r g ó : Lazi-berek (leg. GY. KOVÁCS, 1 9 5 7 ) . - 66: B a l a t o n m a g y a r ó d : Kis-Balaton, reservoir I . (leg. B . CSÁNYI, 1994, J. PELBÁRT, 1 9 9 5 ) ; B a l a t o n m a g y a r ó d : Kis-Balaton, reservoir I L , 1 k m N o f Z i m á n y i - s z . (leg. A . VARGA, 1 9 9 6 ) ; Bala­ t o n m a g y a r ó d : Kis-Balaton, reservoir I I . , A l m á s - s z . (leg. B . CsÁNYl, 1997, A . V A R G A , 1995, 1 9 9 6 ) ; B a l a t o n m a g y a r ó d : Kis-Balaton, reservoir IL, between F é n y ő s - s z . and A l m á s - s z . (leg. A . VARGA, 1 9 9 5 ) ; B a l a t o n m a g y a r ó d : K i s - B a l a t o n , reservoir IL, between Magyaros-sz. and H a n g y á l o s - s z . [ s w a m p ] (leg. A . VARGA, 1995); B a l a t o n m a g y a r ó d : Kis-Balaton, reservoir I L , Zala-Somogyi-ha-t á r á r o k , N E o f A l m á s - s z i g e Zala-Somogyi-ha-t (leg. A . VARGA, 2 0 0 3 ) ; B a l a Zala-Somogyi-ha-t o n m a g y a r ó d : K i s - B a l a Zala-Somogyi-ha-t o n , reservoir I L , Z i m á n y i - á r o k (leg. A . VARGA, 1 9 9 6 ) ; Z a l a v á r : 1 k m S E of B a l a t o n h i d v é g , waterworks station (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1 9 9 3 ) ; Z a l a v á r : Kis-Balaton, reservoir I L , 2 k m S o f the I n g ó i p u m p station (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1993, A . VARGA, 1995, 1 9 9 6 ) ; B a l a t o n m a g y a r ó d : K i s - B a l a t o n , reservoir I . , dam 4 T (leg. B . CSÁNYI, 1 9 9 7 ) ; Z a l a v á r : K i s - B a l a t o n , reservoir I L , Z a l a (leg. B . CSÁNYI, 1996). 67: F e n é k p u s z t a : K i s B a l a t o n , reservoir I L , at the confluence o f H é v í z -P á h o k i - c s a t o r n a and D é l i - k e r e s z t c s a t o r n a (leg. A . VARGA, 2 0 0 3 ) ; F e n é k p u s z t a : K i s - B a l a t o n , reser­ voir IL, at the mouth o f Ö r e g - B e r k i - f ő c s a t o r n a (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1 9 9 5 ) ; K i s - B a l a t o n : G u r g u l ó - c s a t o r n a (leg. I . PINTÉR, 1 9 6 8 ) ; Z a l a v á r : Kis-Balaton, reservoir IL, 1.4 k m N o f I n g ó i p u m p station (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1 9 9 3 ) ; Z a l a v á r : K i s - B a l a t o n , reservoir

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I L , at the mouth of Alsó-Nyugati-csatorna (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1993); Zalavár: Kis-Balaton, reservoir I L , embankment I . (leg. B. CSÁNYI, 1994); Zalavár: Kis-Balaton, reservoir I L , opposite to the mouth of Keszthelyi-határárok (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1993); Zalavár: Kis-Balaton, reservoir I I . , ornithological observation tower near the Zala-bukó (leg. AMBRUS, BÁN­ KUTI & KOVÁCS, 1995, A. VARGA, 2 0 0 3 ) ; Zalavár: Kis-Balaton, reservoir I L , Zala, near the mouth of Zala-Somogyi-határárok (leg. A. VARGA, 1995); Fenékpuszta: Kis-Balaton, Kilátói-csatorna (leg. I . PINTÉR, 1968, 1973); Zalavár: Kis-Balaton, reservoir I I . , Zalavári-víz (leg. AMBRUS, BÁNKUTI & KOVÁCS, 1995, B. CSÁNYI, 1 9 9 1 , 1 9 9 4 ) . - 6 8 : Hévíz [in a clay-pit] (leg. GY. KOVÁCS, 1962). - 7 6 : Szegerdő: near the Marót-völgyi-csatorna (leg. A. VARGA, 1996). - 77: Balatonmagyaród: Kis-Ba­ laton, reservoir I L , 1 km N of Zimányi-sz. (leg. A. VARGA, 1995); Balatonmagyaród: Kis-Balaton, reservoir I L , Zimányi-sz. (leg. A. VARGA, 1995); Fenékpuszta: at the mouth of Zala (leg. G. MAJOROS, 1 9 8 2 , 1 . PINTÉR, 1 9 6 5 , 1967); Fenékpuszta: Balaton (leg. JUHÁSZ & KOVÁCS 1995, G. MAJOROS, 1998, I . PINTÉR, 1 9 7 3 ) ; Fenékpuszta: Hévíz-Páhoki-csatorna (leg. I . PINTÉR, 1956); Fenékpuszta: Kis-Balaton, ornithological observation tower (leg. A. VARGA, 1995); Fenékpuszta: Kis-Balaton, reservoir I I . [alder forest] (leg. M . ZÖRÉNYI, 1988); Fenékpuszta: Kis-Balaton, reser­ voir I L , NE of Diás-sz. (leg. A. VARGA, 1995); Fenékpuszta: Nyugati-berek, Zala (leg. JUHÁSZ & KOVÁCS, 1995); Fenékpuszta: Zala (leg. B. CSÁNYI, 1989, 1994, 1995, 1996, 1997, M . ZÖRÉNYI, 1988); Fenékpuszta: Zala, dam 2 I T (leg. A. VARGA, 1995); Keszthely: Fenékpuszta (leg. M . ZÖRÉNYI, 1988); Vörs: Vörsi-víz (leg. B. CSÁNYI, 1991); Balatonberény: Cigánydepó, Nyugati-Be­ rek (leg. G. MAJOROS, 1984). - 78: Balatongyörök: Szt. Mihály-domb, Balaton (leg. JUHÁSZ & KOVÁCS, 1995); Vonyarcvashegy (leg. I . PINTÉR, 1966). - 79: Lesenceistvánd: Uzsai-halastavak (leg. I . PINTÉR, 1962).

X N 2 5 : Zsira: Repce (leg. B. CSÁNYI, 1996). 4 3 : Sárvár: Rába (leg. G. MAJOROS, 1987). -77: Barbacs: near Barbacsi-tó [in an artificial pound] (leg. I . PINTÉR, 1 9 7 3 ) . - 8 9 : Novákpuszta: E o f the village [alder forest] (leg. G. MAJOROS, 1994). - 98: Győr: Rába [fluvial drift] (leg. M . ARADI,

1952, J. VÁGVÖLGYI, 1951).

XP - 7 1 : Dunasziget: Cikolai-Duna-ág, dam B - 2 (leg. B. CSÁNYI, 1996). - 80: Hédervár: Kastély-árok, in the park of the mansion (leg. G. MAJOROS, 1 9 9 1 , 1992); Ásványráró: Duna, oppo­ site to the Újsziget (leg. G. MAJOROS, 1991).

Y M - 29: Zamárdi (leg. L . MERÉNYI, 1976).

*

Acknowledgements - The authors are grateful to ANDRÁS VARGA (Mátra Museum, Gyöngyös),

GÁBOR MAJOROS (Budapest), TAMÁS DOMOKOS (Munkácsy Mihály Museum, Békéscsaba), EDE PETRÓ (Budapest) and JENŐ PELBÁRT (Hungarian Shell Museum, Nagykovácsi) who have lent ma­ terial for examination.

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The distribution of

Hungarian molluscs

The catalogue of the Mollusca Collection

of the Hungarian Natural History Museum

Z . F e h é r a n d A . G u b á n y i

Authors aimed to continue the traditions of Hungarian faunal

mapping set by Pintér and co-workers i n 1979, and to create a com­

puter programme and a database, that are able to collect and manage

data both from the literature and collections and able to create distri­

bution maps. Due to this " l i v i n g " data system, where the integration

of new data is permanently done and the errors are continuously cor­

rected, the results are published in electronic format i n English and

Hungarian. The C D contains the catalogue i n p d f format (the reader

programme Adobe Acrobat Reader 4.0 also present). As the first step,

this C D contains the checklist of the Hungarian molluscs and their

distribution data based on the Mollusca Collection of the Hungarian

Natural History Museum. Distribution of the 220 gastropod and 24

bivalve species i n the collection are illustrated i n 10x10 k m U T M grid

maps, and all of their sampling sites are listed by U T M grids.

The checklist follows the nomenclature of the CLECOM (Check­

list of the European Continental Mollusca) project. W i t h all those

speciess that are k n o w n under a different synonym name i n H u n ­

gary, or occur i n H u n g a r y but not mentioned i n the C L E C O M list, or

are missing from the H N H M collection, or that are incorrectly i n d i ­

cated i n Hungary, or their taxonomie position is judged by a compe­

tent Hungarian malacologist i n another w a y then given i n CLECOM,

authors deal w i t h i n the Appendix. A glossary of the frequently used

common names and geographical terms helps the use of the locality

list. This issue w i l l hopefully be followed by others containing litera­

ture data and data of other Hungarian mollusc collections, and the se­

ries w i l l become a useful tool for malacologists dealing w i t h zoogeo­

graphy, ecology and nature conservation.

Published in 2001. 466 pages on CD disk. Price: 30 euro plus p. and p.

ISBN 963 7093 70 2

Orders should be sent to

The Library. Hungarian Natural History Museum

H-1088 Budapest, Baross u. 13, Hungary

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