Mollusques terrestres et d'eau douce. 115 



Hab. In Suecia, prov. Skåne: in lacubus Ringsjön, Råbelöfsjön, 

 Ifösjön, in fluviis Seje- et Höje-åar, ad Christianstad, Ig-naberga et aliis 

 locis; prov. Blekinge: in lacu Långasjö prope Ronneby (prof. Lilljeborg 

 et ipse); prov. Småland: in lacu Noen ad Degla (E. Hemberg!!); prov. 

 Östergötland: in lacubus plerisque frequens; prov. Westergötland ad 

 Grimstorp etc; prov. Nerike: in lacu Hjelmaren ab Örebro usque ad Hum- 

 lemyrsviken et in lacu Tisaren (Hartman); prov. Wermland: ad Carlstad 

 (C. Linroth!!); circa Stockholm frequentissime, etiam in aqua parum salsa 

 maris Östersjön (Wikström, Hartman); prov. Westmanland: ad Westerås 

 in fluvio Svartån (C. H. Johanson!); prov. Upland ad Upsala (Lilljeborg! 

 Johanson!); prov. Dalarne in lacu Amungen par. Husby frequ. (C. G.An- 

 dersson!). In insulis Öland et Gotland hjec testa desideratur. ^ amplam 

 in lacu Tåkern prov. Östergötland et formam pumilani in fossa ad Borg- 

 mästareängen prope Malmö prov. Skåne iuveni. tmonardi in lacubus (ex. 

 gr. Öfversjön, Ifösjön) prov. Skåne et in lacu Tåkern prov. Östergöt- 

 land. In Norvegia rara in vicinitate urbis Christiania (Friele). 



6. LIMN^A LIMOSA Malm. 



Testa rimata vel perforata, ovata vel elongato-ovata , spira brevi; 

 anfr. 4 — 5, ultimus ventricosus, ovatus vel superne attenuatus; apertura 

 ovata, plus minus acuta. 



1. Ovata Dbap. Testa rimata, ovata vel ovalis; spira brevis; anfrac- 

 tus ultimus ainpullaceo-ovatus; columella teres, incism-a nulla vel parum distincta 

 notata; peristoma simplex, acutum, margine columellari reflexo. 



a uormalis: testa ovali-ovata, corneo-lutesceus, striata, teuera; spira 

 brevis, acuta; apertura ovata vel oblongo-ovata, coluraelia tereti, plica 

 obsoleta; anfr. 4 — 5, ultimus anipullaceus, ovatus; long. 25 — 28, 

 diam. 18 — 20 lum., apert. 20 — 22 mui. longa, 13 — 14 mm. lata. — 

 Lymnœa ovata ß NILSSON Hist. Moll. p. 63. Liinnœus ovatus RossM. 

 Ic. I. p. 100. f. 55. Lymnceus ovatus a NoRD. et Nyl. Fini. Moll. 

 p. 55. f. 43. a. Limn^ha limosa forma Malm Göteb. Handl. VIII. 

 p. 143. fig. c. d. Westerlund Sv. Moll. p. 91. L. limosa ovata 

 Westerl. Coll. Typ. Moll. Su. n:o 78. 



ß vulgaris (Per?) Rossm. : testa subrimata, ovata, tenera, tenuiter 

 striatula, flavescens vel subobscura, spira productiore; anfr. 4 — 5, 

 ultimus subventricosus, convexus; apertura ovata; peristoma rectum; 

 long. 17 — 20, diam. 10 — 12; apert. 12 — 14 mra. longa, 8 mm. lata. 

 • — Lymnœa ovata a NiLSSON ilist. Moll. p. 63. lAmnœus vulgaris 



