&8 IIELIX §. 19. 20. 



Eurijomphala pngmaea Bcck ind. p. y. 



Patula pygmaea Ilcld iii Isis 1837. p. 916. 



Zonites pygmaeus Graxj Man. p. 167. i. 5. f. 46. 

 Ilabitat in Gcrmania, Ilelvetia, Gallia, Britannia, l.nsitania, 

 Succia etc. 



242. H. Antoni Pfr. 



T, unjlMlicata, subdiscoidca , tcnuis, pcilucida, pallidc luteo- 

 cornea, sul)tilissime striata, nitida; spira vix convexiuscula ; anfr. 

 Sy^plani, lcntc accrcscentes, ultimus obsolete angulatus; umbi- 

 licus latissimus, perspectivus; apertura lunaris ; perist. simplcx, 

 acutum. — Diam. 10, alt. 4 mill. (Coll. Anton.) 



Helix Antoni Pfr. Symb. II. p. 22. 

 Habitat ad Panama. 



243. H. excavata Bean. 



T. late umbilicata, depressa, tenuis, striata, nitida, pellu- 

 cida, cornea ; spira subelevata; anfr. 5 convexiusculi, lente ac- 

 crescentes, ultimus non clescendens; apertura obliqua , subcircu- 

 laris; perist. simplex, tenue. — Diam. maj. G'/^, min. 5%, alt. 

 2% mill. (Mus. Guming.) 



Helix excavata Bean mss. in Alder cat. 13. N. 52. 



— — Alder in Mag. Zool. et Bot. II. 107. 



— — Tliomps. in Ann. and Mag. nat. hist. VI. p. 34. 



— nitida a Jcffr. in Linn. tiansact. XUI. 339. 511. 



— lucida var. Turt. Man. p. 57. l. 4. f. 39? 

 Zonites excavatus Gray Man. p. 175. t. 4. f. 39? 



Habitat in Anglia: Scarborough, et Hibernia (Thomps.). 



244. H. telonensis Mittre. ^ 



T. subdepressa aut convexiuscula , cornea, tenuis, pelJucida, 

 subtilissime striata; anfr. 5 convexi. ultimus major; apertura ro- 

 tundata; perist. acutum, simplex; umbilicus magnus. — Diam. 

 4 hn. (M.) 



Helix telonensis Mittre in Ann. d. sc. nat. XVIII. p. I8.s. 

 Habitat in Gallia meridionali, prope Toulon. 



§. 20. 



245. H. lucubrata Say. 



T. aperte umbilicata, globoso-depressa , polita, rufescens, 

 subdiapliana, subtus pallidior; spira convexa, valde depressa; 



