HELIX §. 19. 89 



(lua, ampla, lunalo-ovalis; perist. simplex, acutum, margiiic um- 

 bilicari reflexiusculo. — Diam. maj. 2672, min. 22'/2, alt. 13 mill. 

 (Goll. Nr. 117. Spec. Griffithian.) 



Helix fuliginosa Griff. mss. Binn. in Bost. journ. III. p. 417. t. 2 4. 

 _ _- Chenm. ed. U. Helix N. 51 9. t. 8 4. f. 1 — 3. 



— cap7/acea P/i'. Symb. II. p. 2 4. Nec Fer. 



Habitat in Pennsylvania, Ohio. 



215. H. caduca Pfr. 



T. umbilicata, depressa, fragiUs, leviter striatula, albida, epi- 

 dermide fulvo-cornea induta; spira parum elevata, vertice subtih; 

 anfr. 5/2 convexiuscuh, ultimus multo latior, basi subplanulalus, 

 circa umbilicum angustum , externe subinfundibuliformem exca- 

 vatus; apertura majuscula, oblique truncato-ovahs; perist. sim- 

 plex, tenue, marginibus subconniventibus, callo tenuissimo junctis, 

 columellari vix expansiusculo. — Diam. maj. 27, min. 22, alt. 14 

 mill. (CoU. Nr. 118.) 



Helix cadiica Pfr. in Zeitschr. f. Mal. 1846. p. 158. 



— — Chonn. ed. II. Helix N. 513. t. 83. f. 26 — 28. 



Habitat in republica mexicana (Liebmann). 



216. H. Griffithi Pfr. 



T. umbiHcata, globoso-depressa, solidiuscula, laevigata, su- 

 porne leviter striatula, corneo-Iutescens ; spira breviter elevata, 

 conoidea; anfr. 6 convexiusculi, ultimus ad suturam castaneo- 

 marginatus, ventrosus; umbihcus mediocris, pervius; apertura 

 vix obliqua, ampla, rotundato-Iunaris , intus margaritacea ; perist. 

 simplex, acutum, marginibus callo tenuissimo junctis, columel- 

 lari breviter patente. — Diam. maj. 26, min. 21, alt. 14 mill. 

 (Mus. Cuming.) 



Helix Griffithi Pfr. in Proc. Zool. Soc. 18 45. p. 127. 



Habitat ? 



217. H. vitrinoidea Poticz et Michaud. t////'^.-^9./,;'3,^-^J>:^. 



T. umbilicata, orbiculato-subdepressa, apice obliisa . dia- 

 phana , nitida, laevis, fragilis, pallide cornea; anfr. 7 subplani, 

 ultimus subcarinatus, infima facie convexus, laevissimus; apertura 

 compressa; perist. simpiex, aculum, — Axis 20, diam. maj. 30 

 mill. (P. etM.) 



nelix vitrinoidea Pol. et Mich. gal. de Douai I. p. 118. 



Habital . . . . ? 



