HELIX §. 33. 141 



acutum. — Diam. maj. 12, min. HVa, alt. fere i2 mill. (Coll. 



Nr. 368.) 



Helix pila Adams Gontrib. to Gonchol. N. 2. p. 3\. 



— — Chemn. ed. U. Helix N. 790. t. 126. f. U. 

 Habitat in insula Jamaica. 



738. H. lamellifera Adams. 



T. imperforata, depresso-semiglobosa, luteo-cornea, striata, 

 epidermide subpustulosa induta; spira parum elevata, apice 

 acutiuscula; sutura impressa; anfr. Sy^ — 6 parum convexi, 

 sensim accrescentes, ultimus convexior, non descendens, basi 

 \ix impressus, intus ad peripheriam lamella mediocri, hori- 

 zontali, antice evanescente munitus; columella calloso-subin- 

 crassata, declivis; apertura parum obliqua, lunaris; perist. 

 simplex, rectum, acutum. — Diam. maj. 10, min. 9, alt. 6 

 mill. (Mus. Cuming.) 



Helix lamellifera Adams Gontrib. to Gonchol. N. 2. p. 31. 



— — Chemn. ed. II. Helix N. 791. t. 126. f. 5. 6. 

 Habitat in insula Jamaica. 



739. H. osculans Adams. 



T. imperforata, depressa, tenuis, striatula, nitida, pellu- 

 cida, hyalino-albida ; spira brevissima, convexa; sutura levis, 

 submarginata; anfr. Cy^ vix convexiusculi, ultimus non de- 

 scendens, basi subexcavatus; apertura parum obliqua, oblique 

 lunaris; perist. simplex, rectum, margine columellari subcal- 

 loso, fere horizontali, basali lamella valida, profunde intrante, 

 extus conspicua munito. — Diam. maj. 13, min. 12, alt. 6 mill. 

 (CoII. Nr. 369.) 



Helix oscidans Adams Gontrib. to Conchol. N. 7. p. 1 07. 



— — Chemn. ed. II. Helix N. 1021. t. 154. f. 1. 2. 

 Habitat in insula Jamaica. 



740. bicostata Pfr. (Goll. 370. — Gastrodonta Alh. 



p. 88.) Mon. I. p. 182. 



741. gularis Say. (Coll. 371. — Chemn. ed. II. Helix N. 



658. t. -101. f. 7. 8. — Desh. 1. c. p. 208. N. 



278. — Gastrodonta Alh. p. 88.) - - - 183. 



p. Eel. suppressa De Kay New-York Moll. p. 38. t. 3. f. 24. 

 — gularis var. Chemn. 1. c. t. lOi. f. 5. 6. 



742. H. lasmodon PhiUips. •{• 



T. minuta, modice elevata, lenticularis, solidiuscula, um- 

 bilicata, subtiliter striata, laete cornea; apertura compressa, 

 1 — 2 dentibus lamellaribus munita. 



i2 t,. 



