) 63 ( 

 5» L y m naea ovata. 



L. testa ovata, perforata, tenui, subpellucida 

 spira brevi, acuta, anfractibus 4 — §, injimo am- 

 pullaceo-ovato ; apertura ovata, peristomate simplici; 

 columelia tereti, plica obsoleta* 



Long. 10 — 20; Lat. 6—12 millim. 



Variet. cc. Testa oblongo-ovata vtl ovali, paU 



lida lutescente, spira productiore anfractibus sttb- 



quinis ; apertura oblougo-ovata, 



Linmccus ovatus, PfeifFer Land- 11. Wassersehn. p. 8g. 

 t. 4* £ 2r « (figura quoad formam optima). — 

 Brap. Hist. des Moil. p. 5o. t. 2. f. 3o, 3i, 32. 

 (At incisura columellae fn fig. 3o. naturae haud 

 consentanea ). 



— - — /3. Testa ovata ampullacea, fulva, tenuissi- 



ma, tenuiter striata; spira breviore ; anfractibus 



4 — 4 x ; apertura ovata* 



Limnceus vulgaris, PfeifF. 1. c. f. 22. (At nostra ple- 

 rumque major anfractu infimo superne saepius 

 obtusiore, incisura columellae nulla). — Schro- 

 ter Flussconch. t. 6. f. 6. (At spira magis quam 

 in nostra exserta). 



«y. Testa ovata solidula, rufo-nigra, rudius 



striata ; anfractibus quattuor» 



Animal in ct & /3» lutescenti-griseum, punctis 

 luteis quasi arena adspersum. Testa animale fceta ex 



iusco-viridi & fulvo varicgata. 



Testa 



