HELIX §. 9. 49 



134. H. gemma Pfr. 



T. subperforata , conoideo-orbiculaia, lenuis, laevigala, ni- 

 tida, pellucida, virenli-hyalina; spira depresso-conoidea; sutura 

 subinarginata; anfr. 4 vix convexiuscuii, sensim accrescentes, 

 ultinius non descendens; apertura parum obJiqua, rotundato- 

 lunaris; perist. simplex, rectum, margine columellari brevi, 

 arcuato, superne reflexiusculo. — Diam. maj. 9^ min. 7, alt. 

 o mill. (Mus. Cuming.) 



Helicc gemma Pfr. in Proc. Zool. Soc. 1848. p. 109. 



— — Pfr. in Zeilschr. f. 3Ialak. 1848. p. 90. 



— — Reeve Gonch. ic N. 168. t. 37. 



— — Cheinn. ed. II. Helix N. 762. t. 122. f. 19. 20. 

 Vitrina sxituralis ol Beck in sched. Guming. 



^. Minor, albido-hyalina, spira depressiore: 



Vitrina siituralis ^ Beck in sched. Giiming. 



Helix gemma var. Chemn. 1. c t. 122. f. 21. 

 Habitat prope Albulug insulae Luzon, var. p in insula Camiguing 

 (Cuming). 



Obs. Differt ab H. glauca spira minus elevata, anfractibus lentius 

 accrescentibus, ultimo angustiore, etc. 



135. fragilis Hutt. •[• (Gf. Bens. in Ann. and Mag. 2d. 



ser. II. 1848. p. 163.) Mon, I. p. 48. 



* * 



136. ligera Say. (Goll. 58. — De Kay New-York Moll. 



p. 40. t. 3. f. 32. — Chemn. ed. nov. I. p. 208. 

 — Desh. in Fer. hist. I. p. 184. N. 246. — Hya- 

 lina Alb. p. 68.) - - - 48. 



137. intertexta Binn. fGoll. 59. — De A^ay' New- 



York Moll. p. 38. t. 3. f. 29. — Chemn. ed. nov. 



I. p. 208. — Hyalina Alb. p. 68.) - - - 49. 



138. H. Anthoniana Adams. 



T. perforala, depresso-turbinata, solidula, striatuhi , nitida, 

 sub epidermide fulvescente decidua albida; spira conoidea, 

 apice acuta; anfr. 6 convexi, ultimus non descendens, basi 

 subplanulatus, medio anguste perforatus; apertura verticalis, 

 lata, lunaris; perist. simplex, margine dextro recto, acuto, 

 columellari decli\i, superne reflexiusculo, basi dilatato. — Diam. 

 maj. 10, min. 9, alt. 6V2 niill. (Coll. Nr. 60.) 



Helix Anthoniana Adams Gontrib. to Gonchol. N. 3. p. 35. 



— — Chemn. ed. II. Helix N. 8 00. t. 127. f. 26 — 28. 

 llabitat in insula Jamaica. 



139. Portoricensis Pfr. ( Chemn. ed. II. Helix N. 743. 



t. 120. f. 7. 8. — Fruticicola Alb. p. 70.) ... Mon. I. p. 49. 



III. 4 



