382 IIELIX §. 70. 



grosse unidentata ; perist. reflexum , extrorsuni stranguiatum et 

 versus basin angulosum. — Diam. 18, alt. 9 mill. (G. ) 



Helix quadrifasciata Le Guill. in Revue zool. 1842. p. 141. 

 Habitat in insula Ternate. 



004. H. profunda Say. 



T. umbilicata, orbiculato-convexa, tenuis, confertim costulalo- 

 striata , sub epidermide lutescente squalide alba unicolor vel fascia 

 unica lata rufa supra peripheriam ornata; spira vix elevata; anfr. 

 5 convexiusculi, ultimus vix descendens; umbilicus mediocris, 

 pervius; apertura lunaris; perist. latum, angulatim expansum, 

 margine basali reflexo, subunidentato. — Diam. maj. 29, min.24, 

 alt. 14 mill. (Cofl. Nr. 610.) Diam. maj. 33, min. 27, alt. 18 mill. 

 (ex ic. Deless.) 



Helix profunda Say in Philad. journ. II. p. 1 60. 



— — Say Amer. Conch. t. 37. f. 3. Ed. Chenu (. 13. 



f. 2 b. 2 0. 



— — Binn. in Bost. journ. III. p. 377. t. 15. 



— — Chem7i. ed. II. Helix N. 464. t. 77. f. 14 — 16, 



— Richardi (Hehcella) Fer. pr. 174. Ilist. t. 70. f. 4. 



— — Lam. 25. p. 72. ed. Dh. p. 40. 



— — Z>e^es5. reciieii t. 26. f. 7. 

 /?. Rufo-multilineata. ■■'^^^•■^'^^''- 



Habitat in America boreali: Tennessee, Knoxville (Fer. ), Ohio, 

 Mississippi et Missouri (Say), Indiana (Beck). 



995. H. Sayi Binney. 



T. umbilicata, orbiculato-depressa, tenuis, luteo-cornea, 

 costulato-striata; anfr. 6 convexiusculi, ultimus non descendens"; 

 umbflicus mediocris ; apertura lunato-subcircularis, dente 1 lingui- 

 formi in pariete aperturali coarctata; perist. intus albo-labiatum, 

 anguste reflexum, margine basali unidentato, columellari dilatato, 

 — Diam. maj. 27, min. 23, alt. 13 mill. (Mus. Cuming.) 

 Helix Sayi Bitm. in Bost. journ. III. p. 379. t. 1 6. 



— diodonta Say Exped. to St. Peter's river II. 257. t. 15. f. 4. 



— ... Fer. hlst. t. 69 I. f. 2. 



Habitat in America boreali : Illinois , Maine , Vermont. 



Obs. Differt ab H. profunda praeler denlem parielis aperluralis anfracli- 

 bus anguslioribus. 



996. H. tridentina Ferussac. 



T. umbilicata, globoso-depressa, solida, oblique striata, 

 albida, fulvo-nebulosa, fusco- 3 — 4 cingulata; anfr. 4/? planulati, 

 lente accrescentes , ultimus subangulatus, antice deflexus, basi 

 subplanus; aperlura subhorizontaliS; lunaris; perist. incrassatum, 



