382 IIRLIX §. 70. 



grosse unidentata; pcrist. reflexum, oxtrorsum stranguiutum ol 

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



Helix qmdrifasciata Le Giiill. in Woww zool. 1842. p. 141. 

 Habitat in insula Ternate. 



004. H. profunda Say. 



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

 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. U mill. (Coll. Nr. 610.) Diam. maj. 33, min. 27, alt. 18 mill. 

 (ex ic. Deless.) 



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



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



f. 2 b. 2 c. 



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



— — Chenifl. ed. II. Hehx N. 464. t. 77. f. 1 4 — 1G. 



— Richardi (Hellcella) Fer. pr. 174. Hist. t. 70. f. 4. 



— — Lam. 25. p. 72. ed. Dh. p. 40. 



— — Deless. recueil t. 26. f. 7. 

 ^. Rufo-multihneata. 



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

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



005. H. Sayi Binney. 



T. umbihcata, orbiculato-depressa, tenuis, luteo-cornca, 

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

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

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

 anguste reflexum, margine basali unidentato, columellari dilatalo. 

 — Diam. maj. 27, min. 23, alt. 13 mfll. (Mus. Guming.) 

 Helix Sayi Binn. in Bost. journ. III. p. 379. t. 16. 



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



— ... Fer. hist. t. 69 I. f. 2. 



Habitat in America boreali : Illinois , Maine , Vermont. 



b s. Diflcrl ab H. profunda praeler deiitcm parielis aperturalis anfracti- 

 bus angustioribus. 



006. H. tridcntina Ferussac. 



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

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

 lente accrescentes, ultimus subangulatus, antice deflexus, basi 

 subplanus; apertura subhorizontalis. lunaris; perist. incrassatum. 



