3S IIELIX §. 19. 



229. H. laeta Pfr. 



T. anguslissiiiie sed pervie umbilicata, subturbinata, soli- 

 diuscula, striolis irregularibus obliquis subgranulata, paruni 

 nitens, lutescenti-alabastrina; spira conoidea, apice acutiuscula; 

 sutura marginata; anfr. 6 vix convexiusculi, lente accrescentes, 

 ultimus non descendens, subacute ruguloso-carinntus, l)asi in- 

 ilatus; apertura parum obliqua, angulato-lunaris, intus margari- 

 tacea; perist. rectum, obtusum, marginibus remotis, columellari 

 superne in laminam brevem triangularem dilatato. — Diam. 

 maj. 35, min. 29, alt. 18 mill. (Mus. Cuming.) 

 Helix laeta Pfr. in Proc. Zool. Soc. 1854. p. 287. 



— — Beeve Concli. ic. n. 1380. t. 196. 

 Nanina laeta (Hemiplecta) Pfr. Vers. p. 120. 



Ilabitat . . .? 



230. scmidccussata Pfr. (Coll. 93. — Proc. I85i. 



p. 252. — nv. n. 567. t. 102. — Ch. ed. nov. 111. 

 p. 404. — Nanina semidecussata Gray Cat. Puhii. 

 p. 89. — Hemlplecta Pfr. Vers. p. 120.) .MiMi.lll, p. 53. 



231. Oweniana Pfr. (Proc. 1853. p. 49. — Diam. 



maj. 32—40, min. 26y2— 32, alt. 17 20 mill. — 

 U. Owenii Rv. n. 1013. t. 155. — Nanina Oire- 

 niana Gray Cat. Pulm. p. 101. — Hemiplecta 

 Pfr. Vers. p. 120.) - - - 628. 



232. H. Eucharis Dcshaycs. 



T. perforata, conoidea, tenuis, superne arcuato-striata et 

 striis spiralibus subgranulato-decussata, parum nitens, pallide 

 virens; spira subconcavo-conoidea, obtusula; anfr. Sy.^ sub- 

 plani, sensim accrescentes, ultimus latior, non desccndens, 

 periplieria compresse carinatus, basi convexus, nitidus; aper- 

 tura magna, obliqua, angulato-Iunaris; perist. simplex, rectum, 

 (nargine columellari subverticali, superne breviter fornicato- 

 reflexo. — Diam. maj. 28, min. 24, alt. 16 mill. (Mus. Guming.) 

 Helix Eucharis Desh. in Fer. Hist. t. 64A. f. 7. 8. 



— — Pfr. Mon. llel. HI. p. 54. n. 158. 

 Kanina Eucharis Grai/ Gat. Pulm. p. 139. 



— . — (Hemiplecta) Pfr. Vers. p. 12 0. 



Ilabitat . . . '? 



233 H. Shiplayi Pfr. 



T. perforata, subturbinata, solidula, supernc arcuato-plicata 

 striisque spiralibus cleganter granulata, isabcllina; spira con- 

 vexiusculo-conica, obtusula; sutura subcanaliculata; anfr. Ct con- 

 vexi, lente accrescentcs, ultimus peripheria carina acuta, com- 

 pressa, anticc evanesconte munitus, basi convexus, laevior; 



