HELIX §.31. 85 



parum convexi, lente accrescentes, ultimus non descendens, 

 depresso-rotuDdatus; umbilicus latissimus, Vg diametri superans; 

 aperlura parvula, obliqua, rotundato-lunaris; perist. simplex, 

 rectum, marginibus conniventibus, basali regulariter arcuato. ■ — 

 Diam. maj. 7^4, min. 7, alt. 3^4 mill. (Mus. Cuming. ) 

 Helix Hondana Pfr. in Proc. Zool. Soc. 1854. p. 53. 



— — Reeve Conch. ic. n. 1329. t. 190. 



— — (Hyalina) Pfr. Vers. p. 12 4. 

 Habitat Honda Novae Granadae. 



512. excavata Bean. (Coll. 219. — Rv. n. 1044. t. 158. 

 n. MOO. t. 165. — Ch. ed. nov. UI. p. 320. — Hya- 

 lina Pfr. Vers. p. 124. — Zonites excavatus Forb. 

 et Hanl. Brit. MoII. IV. p. 40. t. 121. f. 2—4.) .... Mon. III. p. 91. 



513. H. limatula Ward. 



T. umbilicata , convexiusculo-depressa, tenuis, superne 

 capillaceo-striata, diaphana, albida; spira vix elevata ; anfr. 4^2 

 turgidi, sensim accrescentes, ultimus non descendens, sub- 

 depressus, basi laevior; umbilicus y^ diametri subaequans; 

 apertura obliqua, lunato-subcircularis; perist. simplex, reclum, 

 marginibus conniventibus , columellari vix dilatato. — Diam. 

 maj. 51/2, min. 5, alt. 21/3 mill. (Coll. Nr. 220.) 

 Helix Umatula Ward, Pfr. Mon. I. p. 113. n. 290. 



— — Binn. Terr. Moll. II. p. 219. t. 30. f. 2. 



— — (Hyalina) Pfr. Vers. p. 124. 



Habitat in America boreali: Ohio, Indiana, et Greenwith St. 

 New-York. 



514. H. capscUa Gould. 



T. anguste umbilicata, depressa, tenuis, laevigata, striis 

 impressis subdistantibus superne sculpta , pellucida , pallide 

 cornea; spira vix elevata; sutura marginata; anfr. 6^2 con- 

 vexiusculi, arcte convoluti, ultimus non descendens, peripheria 

 rotundalus, basi raedio imprcssus; apertura obliqua, anguste 

 lunaris; perist. simplex, rectum, marginibus remotis, columel- 

 lari declivi, superne vix dilatato. — Diam. maj. 5, min. 4^/3, 

 alt. 2V4 mill. (Coll. Nr. 221.) 



Helix rotula Gould, Pfr. Mon. III. p. 107. n. 478. Nec Lowe. 



— capsella Gould in Bitm. Ten-. Moll. II. p. 239. t. 29^. f. 1. 

 Ilabitat in Statu Tennessee (Gould, W. G. Binney). 



515. crebriflammis Pfr. (CoII. 222. — Proc. 1852. 

 p. 148. — Jiv. n. 805. t. 131. — Ch. ed. nov. 111. 

 p. 456. — Hyalina Pfr. Vers. p. 124. — H. m- 



