PULMONATA. J43. 



12. ARIOPHANTA. 



Shell sinistral, umbilicated, thin, diaphanous, last whorl an- 

 gular or keeled ; apertiu-e oblique, lunate ; peristome simple, 

 acute, pillar-edge retlexed. 



" Edge of mantle of animal not produced." 



Ariophanta (Isevipes), DesmouUns, Act. Soc. Linn. Bord. iii. 227, 

 1833. 



Beck, Index, 5. 



Alters, Heliceen, 62. 

 Nanina (laevipes), Gray ; Beck. 



1. ArIOPHANTA LiEVIPES. B.M. 



Shell sinistral, perforate, rather depressed, thin, keeled, with 

 distinct striae of gro^rth, decussated under the lens by several 

 spiral lines, pale horn-coloured, with one brown peripherical 

 band, which sometimes is bordered with a white one ; whorls 

 four and a half, rather flattened, the last one not descending, in- 

 flated beneath ; aperture oblique, lunate, rather angulated ; peri- 

 stome simple, straight, with the margins convergent, columellar 

 margin ascending nearly i)erpendicularly, somewhat reflected. 

 Height 14i, greatest breadth 28, least breadth 23 mill. (Pfr.) 



Helix Isevipes, Mull., Pfr. Mon. i. 71. n. 162 (excluding the var. 8); 

 Mon. Suppl. 75; Mon. Helic. i. 71. 



Desk. Helic. p. 177- n. 238. 



Reeve, n. 397. t. 7(^- 



Miill. Verm. ii. 22. n. 222. 



Chemn. ix. pt. 1. p. 83 ; ed.2. Helix, n. 523. t. S4. f. 22,23. 



(Hehcella) Per. Pr. 229 ; Hist. t. 92. f. 3-6. 

 Helix Candida, Gmel. 15? (Beck). 

 Ariophanta la;vipes, Desmotdins, Bull. Bord. iii. 227. t. 1. f. 1-5. 



Fer. in Bull. Zool. 1835, p. 108. 



Gray, Fig. Moll. t. 288. f. 6, 7. 



Beck, Ind. 5. 

 Vitrina laevipes. Ant. Verz. p. 33. n. 1264. 

 Nanina (Ariophanta) lavipes, Alb. 62. 



Pfr. Symb. ii. 63. 



Favanne, t. 63. f. L. 3. 

 i3. Helix IsEvipes, Chemn. ix. t. 108. f. 915, 916. 



var., Fer. t. 92. f. 6. 

 y. Hehx spadicea, Gmel. 16. 



Kdmmerer, p. 172. t. 11. f. 2. 



