HELIX §. 33. 34. 181 



467. H. pyramidella Jan. -^ 



T. trochiforrnis , umbiJicata. striata, obtuse carinata, alBa, 

 niaculis corneis, diaphanis picta; apertura lunaris, subdepressa ; 

 perist. marginatum. — Alt. 2V3, lat. 1 '/2 lin. (J.) 



Helix pyramidella Jan Mautissa p. 2. 



Theba pyramidella Beck ind. p. II. 

 Habitat in Itaha boreali. 



Obs. An praecedenlis forte varietas? 



§. 34. 



468. H. epistylium MuUes*. 



T. imperforata, soHda, semigloboso-conoidea, regulariter /^^^ /j^ 

 costulato-striata , sub epidermide fulvescente, decidua alba; spira 

 elevata, obtuse conica; anfr. 8 lente accrescentes, convexiusculi, 

 ultimus dilatatus, basi subplanulatus , substriatus; columella bre- 

 vis, obhqua, basi dilatata; apertura depressa, lunaris, intus la- 

 mella valida, acuta, columellae parallela munita; perist. simplex, 

 ' acutum , marginibus callo tenui , in aream columellarem dilatato 

 junctis. — Diam. maj. 29, min. 26, alt. 25 mill. (GoII. Nr. 269.) 

 Eelix epistyli^mi Midl. vei-m. II. p. 57. N. 230. 



— — Gmel. p. 3630. N. 35. 



— — (Hellcostyla) Fer. pr. 309. Hist. t. 50 A. f. 4. S. 



— — Phil. lcon. II. 9. p. 6. t. 6. f. 12. 



— — P[r. in Zeitschr. f. Mal. 1845. p. 82. 



— — , Chemn. ed. II. Helix t. 100. f. 38 — 40. 



— epistilum. Sow. Conch. Man. f. 281. 



— Jayana Adams in Bost. Proc. 18 43. p. 17. 

 Artemon epistylium Beck ind. p. 48? 



Habitat in insula JaiTiaica. 



Obs. In specirainibus junioribus (forma H. elevalae Say) lamelia unica 

 baseos margini parallela extus conspicua est. 



469. H. epistylioidcs Ferussac. ff-^f:,/^. 



T. imperforata, sohda, globoso-conica, oblique costata, sub 

 epidermide corneo-Iutescente alba; spii^a elata, semiglobosa; anfr. 

 9 convexiusculi , ultimus obsolete angulatus, reliquis vix latior, 

 basi impressus; columella brevis, perobliqua, basi dilatata; aper- 

 tura valde depressa, obhque lunaris, lamella concentrica, in fundo 

 baseos evanescente nmnita; perist. simplcx, acutum. — Diam. 

 maj. 24, min. 23, alt. 19 miU. (CoH. Nr. 270.) 

 . Helix epistylioides (Helicostvla) Fer. pr. 310. Hisl. t. ( 101.) 5) B, 



f. 2. 



— — Pfr. in Zeilschr. f. Mal. 1845.' p. 82. 



— — Chemn. ed. H. Ilelix l. 100. f 41—43. 



