NATURAL SCIENCES OF PHILADELPHIA. 24Y 



Hemphillia glandulosa, Ann. Lye, N. H. of N. Y,, X. pi. ix. fig. 15, 

 16, 17. 



Ariolimax Columbianus, Gould. Am. Journ. Conch., I. 48, pi. vi. fig. 

 12, 13. W. G. B. 



Veronicella Floridana, Binney. Ann. Lye. K H. of N. Y., IX. 285, 

 fig. 5. 



Veronicella. Am. Journ. Concli., VII. 163, pi. xii. fig. 7. 



Bulimus oblongus, Miill. (Borus.) Am. Journ. Coneli., VII. 180. 



Bulimus pardalis, Fer. (Dryptus.) Am. Journ. Concli., VII. 181. 



Bulimus marmoratus, Dunker. (Dryptus.) Am. Journ. Conch., VII. 

 181. 



Jaw not examined. 



Bulimus multicolor, Rang. (AntJiinus.) Am. Jour. Conch., VI. 208. 



The jaw is ribless, thus differing from description of Bulimus. 



Bulimus Hanleyi, Pfr. (Orphnus.) Am. Journ. Couch., VI. 208. 



Jaw quite unlike generic description. Strongly arched, with a median 

 projection, ribless. 



Bulimus magnificus, Grat. {Orplmus.) Am. Journ. Conch., VI. 208, 



Jaw quite like generic description. 



Bulimus odontostomus, Sowb. {Macrodontes.) Am. Journ. Conch., 

 VI. 209. 



The jaw differs from the generic description in being ribless. 



Bulimus aulaco stylus, Pfr. {Eurytus.) Ann. Lye. N. H. of K Y., 

 X. 222. 



The jaw as in BuUmulus. 



Bulimus auris-Sileni, Born. (PeUcycMlus.) Same as last species. 



Cochlostyla fulgetrum, Brod. Am. Journ.. Conch., Vlt. 180. 



Jaw not described in Albers and v. Martens. We find it with ribs. 



Limicolaria Numidica, Reeve. Am. Journ. Conch., VII. 181. 



Jaw differs from the generic description in being ribless. 



Eucalodium Ne"wcombianum, Gabb ( = Berendtia Taylori, Pfr."). 

 Ann. Lye. N. H. of N. Y., VIII. 175, fig. 3. T. Bland. 



Stenogyra decollata, Lin. Am. Journ. Conch., VII. 183. 



Stenogyra gonostoma, Gundl. Am. Journ. Conch., VII. 183. 



Stenogyra octona, Chemn. Am. Journ. Conch., VII. 183. 



"We have shown the peculiar characters of the dentition constant in the 

 three species. 



Clausilia tridens, Chemn. Am. Journ. Conch., VII. 28, pi. ii. fig. 1-5, 

 7,8. 



Amphibulima patula, Brug. Am. Journ. Conch., VII. 186, pi. xvii. 

 fig. 1, 2, lingual membrane. Jaw in Ann. Lye. N. H. of N. Y., X. 225, pi. 

 xi., fig. 8. 



We have shown the jaw and dentition to be unlike Succinea. 



