82 IIELIX §. 17. 



columellari tenui, superne breviter reflexo. — Diam. maj. 7, 

 min. 6V2? a^t- ^^ "i'''- (j^^us. Benson.) 



Helix peryiicata Bens. in Ann. and Mag. 2 d. ser. VU. 1851. 

 p. 104. 



— — Chemn. ed. II. Helix N. 921. t. 1 41. f. 20- 22. 

 Ilabitat prope Newlands ad basin montis Teufeisberg in Pro- 

 montorio Bonae Spei. 



323. tumulus Gould. ^- (Proc. Bost. Soc 1846. p. 



175. et Exped. shells 1851. p. 62. f. 53.). . . . Mon. I. p. 85. 



324. Boothiana Pfr. (Coll. 148. — Chemn. ed. nov. 



II. p. 111. — Hyalina Alb. p. 67.) - - - 86. 



325. H. angustispira Adams. 



T. anguste umbilicata, turbinato-semiglobosa, tenuis, sub- 

 laevigata, diaphana, corneo-albida; spira conoideo-elevata, 

 acutiuscula; anfr. Sy^ convexi, angustissimi, ultimus non de- 

 scendens, latere compressus; apertura verticalis, angusla, lu- 

 naris; perist. simplex, acutum, rectum. — Diam. maj. 3%, 

 min. 3V3, alt. ^V^ mill. (Mus. Cuming.) 



Helix angustispira Adams Contrib. to Conchol. N. 3. p 36. 

 Habitat in insula Jamaica. 



326. H. fuscula Adams. 



T. anguste umbilicata, conica, striatula, vix nitida, fusca; 

 spira convexo-conica, apice acuta; anfr, 4 convexi, ultimus 

 subteres, non descendens; apertura obliqua , rolundato-lunata; 

 perist. simplex, acutum, tenue. — Diam. maj. 3, min. 2%, 

 all. 2 mill. (Coll. Nr. 149.) 



Helix fiismla Adams Contrib. to Conchol. N. 3. p. 35. 



— — Chemtl. ed. II. Helix N. 88 3. t. 136. f. 21— 23. 

 Habitat in insula Jamaica. 



327. pleurophora Moric. -J- Mon I. p. 86. 



328. bullula Hutt. ^- - - - S6 



329. rupestris Drap. (Goll. 150. — Drap. tabl. d. 



Moll. p. 71. N. 4. — Desh. in F6r. hist. I. p. 

 253. N. 322. — Chemn. ed. nov. II. p. 135. — 

 Hel. umbilicata Mont. , Pfr. Monogr. N. 209. — 

 HpH.t [Patula] rupestr. Alb. p. 64.) _ _ _ 86. 



330. H. placida Shuttleworth. 



T. aperte, sed mediocriter umbilicata, depresso-turbinala, 

 lenuis, subtih'ssime striata, diaphana, sericina. palHde cornea; 

 anfr. 4 convexi, ultimus antice vix descendens; apertura ro- 

 tundata; perisl. simplex, rectum, aculum. — Diam. vix 2, alt. 

 circa 1 mill. (Coll. Nr. ISOVa-) 



