WORMS. TESTACEA. 81. Helix. 517 
Chemn. conch. 9. tab. 127, f. 1130. 1131. 
Inhabits wet woods of Exrope: 1--4 lines wide. 
Shell thin, brittle, pellucid: aperture femilunar with an acute 
margin: auZoris 4 Or 5. 
Costata, Shell fubdepreffed, umbilicate, cinereous: whorls ribbed: 
aperture circular, with a white reflected lip. 
Inhabits high lands of Denmark: 1 line wide. 
Shel] a little conyex, opake: «vor/; 4, traníverfely plaited. 
Pulchella. Shell umbilicate, fubdepreffed: aperture circinate : lip 
white, reflected. 
Inhabits moiit woods of Denmark. Geoffr. test. 6. 
She/] 1 line wide, with minute ftriz not vifible to the naked 
eye: whorls about 4; inhabitant white, 
Rastoudta. Shell umbilicate, fubdepreffed, with elevated tranfverfe 
lines and ferruginous fpots. 
Argenv. Zoom. tab. 9. fig. Yo. | Geoffr. teft, 9. 
Schrat. Erdconch. tab. 2, figs 25. 
Inhabit: moilt places, and among fotfen, wood in France, Ger- 
many and Denmark, very common: 22 lines wide. 
Shell white, beneath convex with TA fpots and fometimes 
none: «ueris 4---6: aperture arched, without pillar.lip: 
inhabtiant white with obícure pot above and black head and 
tentacula. 
Cellaria. Shell umbilicate, depreffed, yellowiíh, polifhed, beneath 
white: aperture large. 
Schrat, Erdeonch. tab. 2, fig. 6 
Chemn, conch. 9. tab. 127. figi 1129. PN. 
Inhabits cellars in Germany: 34 lines wide. 
Shell glabrous, pellucid, beneath convex: awhorls 5: aperture 
lunate : zzPabztant white, pellucid, with a black eye and blue 
optic nerve, 
Obvaluta. Shell umbilicate, depreffed both fides: whorls obvolute. 
1, Whitifh, glabrous, with a triangular aperture. 
Gualt. test. tab, 2.8. Ber]. Magaz. 2. t. 5. f. 37e 
A, Hola. 5. tab. 3. fig. 16. Favann. conch, t. 23:1 F.2. 
Schrat. Erdconch. tab. 2. fig. 24. as 
Chemn, conch. 9. tab. 127. fig. 1128. a--c. 
2. Brown, hifpid, with a lunar aperture. 
Schret. Erdconcb. tab. 2, fig. 24. a. Geoffr, tefi. t, 12. 
Inhabits Jraly and Thuringia: 4 or § lines wide, 
phell very finely firiate with 6 or 7 whorls; Zp reflected. 
Strigo- 
