76 HELIX §. 31. 



451. capillacea Fcr. -J- (Fer. t. 82. f. 5.) Mon. UI. p. 84. 



452. dissidens Desh. -f- [Fer. t. 84. f. 1. 2.) - - - 84. 



453. epixantha Pfr. [Rv. n. 454. t. 84. — Ch. ed. 



nov. III. p. 349. — Hyalina Pfr. Vers. p. 124. — 



Nanina epixantha Gray Cat. Pulm. p. 94.) . . . - - - 84. 



454. H. chalicophila Orbigny. 



T. umbilicata , convexo-depressa, solidula, striatula, nitida, 

 pellucida, pallide corneo-virens; spira parum elevata; anfr. 6 

 angusti, convexi, ultimus non descendens, teres; umbilicus y^ 

 diametri paullo superans; apertura obliqua, lunaris; perist. 

 simplex , rectum , marginibus vix convergentibus. — ■ Diam. 

 maj. OVa, min. 8V2, alt. i% ™11- (Mus. Brit.) 



Helix chalicophila Orh., Pfr. Mon. III. p. 84. n. 344. 



— — Reeve Conch. ic. n. 1481. t. 209. 



— — (Hyalina) Pfr. Vers. p. 124. 



Habitat in provincia Chiquitensi Boliviae, rara. 



455. skiaphila Orb. -J- {Rv. n. 1480. t. 209.) .... Mon. III. p. 84. 



450. H. nitensoides Orbigny. 



T. umbilicata, depressa, tenuis, nitida, pellucida, pallide 

 virenti-cornea ; spira parum elevata; anfr. 4^2 vix convexi, 

 ultimus subdepressus , non descendens ; umbilicus pervius, 

 1 y^ mill. diam. ; apertura fere diagonalis , lunato-rotundata ; 

 perist. simplex, rectum, margine columellari declivi, superne 

 breviter reflexo. — Diam. maj. 10, min. sy^, alt. 5 mill. (Mus. 

 Brit.) 



Helix nitensoicles Orb. Cub. t. II. f. 9 — 12. 



— — Pfr. Mon. I. p. 95. n. 2 35. 



— — (Hyalina) Pfr. in Malakoz. Bl. 1854. p. 178. 



Vers. p. 12 4. 



— — Pfr. in Malak. Bl. 1855. p. 93. 



Habitat in insula Cuba? 



Obs. Speciraen unicum collectionis Orbignyanae ab icone differt uni- 

 bilico angusliore et margine columellari magis declivi; vix ab H. alliaria 

 vera distinguendum ! 



457. H. aliiaria Millcr. 



T. anguste umbilicata, depressa, polita, pcllucida, fulvo- 

 cornea; spira vix convexa, vertice subtili; sutura levis, sub- 

 planata; anfr. 4^2 vix convexiusculi, sensim accrescentes, ulti- 

 mus non descendens, subdepressus, basi planiusculus, circa 

 umbilicum albidus; apertura parum obliqua, rotundato-lunaris; 

 perist. simplex, rectum, raarginibus subconniventibus, columel- 



