76 HELIX §.31. 



451. capillacea Fer. + {Fer. t. 82. f. 5.) Mon. III. p. 84. 



452. dissidcns Desh. •}• {Fer. t. 84. f. 1. 2.) - - - 84. 



453. cpixantha Pfr. (Rv. n. 454. t. 84. — Ch. ed. 



nov. lU. 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 pauilo superans; apertura obliqua, lunaris; perist. 

 simplex , rectum , marginibus vix convergentibus. — Diam. 

 maj. OVa, min. sy^, alt. 41/2 mill. (Mus. Brit.) 



Helix chalicophila Orb., 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. f {Ev. n. 1480. t. 209.) .... Mon. III. p. 84. 



456. H. nitensoides Orbigny. 



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

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

 ultimus subdepressus , non descendens ; umbiiicus pervius, 

 \ Ya mill. diam. ; apertura fere diagonalis , lunato-rotuudata ; 

 perist. simplex, rectum, margine columellari declivi, superne 

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

 Brit.) 



Helix nitensoides Orb. Cub. t. 11. f. 9 — 12. 



— — Pfr. Mon. I. p. 95. n. 235. 



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



Vers. p. 12 4. 



— — Pfr. in Malak. Bl. 1855. p. 93. 



Habitat in insula Cuba? 



Obs. Specimen unicum collectionis Orbignyanae ab icone differt um- 

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

 vera distinguendum ! 



457. H. alliaria Millcr. 



T. anguste umbilicata, depressa, {)olita, pellucida, fulvo- 

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

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

 mus non descendens, subdepressus, basi planiusculus, circa 

 umbilicum albidus; apertura parum obliqua, rotundato-lunaris ; 

 perist. simplex, rectum, marginibus subconniventibus, columel- 



