NATURAL SCIENCES OF PHILADELPHIA. 247 



Hemphillia glandulosa, Auu. Lye. N. II. of N. Y., X. pi. ix. fig. l.j, 

 16, 17. 



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

 12, 13. W. G. B. 



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

 fig. 5. 



Veronicella. Am. Journ. Conch., VII. 1G3, pi. xii. fig. 7. 



Bulimvis oblongus, Miill. (Bonts.) Am. Journ. Conch., VII. 180. 



Bulimus pardalis, For. (Bryptus.) Am. Journ. Conch., VII. 181. 



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

 181. 

 Jaw not examined. 



Bulimus multicolor, Rang. {Anthinus.} Am. Jour. Conch., VI. 208. 

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



Bulimus Hanleyi, Pfr. {Orplmus.) Am. Journ. Conch., VI. 208. 

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

 projection, ribless. 



Bulimus magnificus, Grat. (Orphnus.) 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 i]i being ribless. 



Bulimus aulacostylus, Pfr. {Euryius.) Ann. Lye. N. H. of N. Y., 



The jaw as in BulimuUis. 



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



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

 Jaw not described in Albers and v. Martens. We find it witli riljs. 



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

 Jaw differs from the generic description in being ribless. 



Eucalodium New^combianum, Gabb ( = Berendtia Taylori, Pfr.). 

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



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



Stenogyra gonostoma, Guudl. 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. 



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



7,8. 



Amphibulima patula, Brug. Am. Journ. Conch., VII. 18G, pi. xvii. 

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

 xi., fig. 8. 



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



