248 PROCEEDINGS OF THE ACADEMY OF 



Pellicula? appendiculata, Pfr. Ann. Lye. N. H. of N. Y., X. 206, 

 pi. ix. fig. 2, 9-11. 



Bulimulus pallidior, Sowb. Ann. Lye. N. H. of N. Y., IX. 282, fig. 

 2, lingual. 



Bulimulus laticinctus, Guppy." Ann. Lye. N. II. of N. Y., X. 81, pi. 

 11. fig. 1, 5. 

 The teeth are peculiarly modified. 



Bulimulus Bahamensis, Pfr. Ann. Lye. N. H. of N. Y., X. 82, pi. li. 



fig. y, 4. 



The teeth are peculiarly modified. 



Bulimulus sufilatus, Gould. Am. Journ. Couch., VI. 209, pi. ix. fig. 

 8, 13. 



Bulimulus Marielinus, Poey. Am. Journ. Couch., VI. 209. Jaw alone. 

 Bulimulus Jonasi, Pfr. Am. Journ. Conch., VII. 182, as in 5. aureolus. 

 Bulimulus aureolus, Guppy. Am. Journ. Conch., VII. 181. 

 Lingual membrane as in S. laticinctus. Jaw not examined. 



Bulimulus alternatus, Say. Am. Journ. Couch., VII. 181. 



Bulimulus membranaceus, Phil. Am. Journ. Conch., VII. 182. 

 Teeth as in B. laticinctus. 



Bulimulus dealbatus, Say. Am. Journ. Conch., VII. 182. Jaw only. 



Bulimulus Berendti, Pfr. Am. Journ. Conch., VII. 182. 

 The species referred to proves to be B. corneus, Sow. 



Bulimulus durus, Splx. Am. Journ. Conch., VII. 182. 



Cylindrella subula, Fer. Am. Journ. Conch., VII. 183. 



Cylindrella seminuda, Ad. Am. Jouni. Conch., VII. 184. 



Cylindrella rosea, Ad. Am. Journ. Conch., V. 37, pi. xi. fig. 2, 

 photograph. 



Cylindrella scaeva, Gimdl. Ann. Lye. N. H. of N. Y., VIII. IGl, fig. 



4. Lingual membrane only. Ibid. IX. 77. T. Bland. 



Cylindrella Blandiana, Pfr. Ann. Lye. N. H. of N. Y., IX. So, fig. 



5. T. Bland. 



Cylindrella trinitaria, Pfr. Am. Journ. Conch., IV. 187, fig. T. Bland. 

 Jaw first noticed, also jaw described in C. rosea, sangiiinca, brevis, 

 Maxigeri, gracilis, elongata, Baliamensis, scccva, ElUotti, Brooksiana. 



Macroceramus Gossei, Pfr. Am. Journ. Conch., VII. 187, pi. xvil. 

 fig. 9, 11, 12. 



Teeth quite difl'erent from the form usual in Cylindrella and Macrocermmis. 



Macroceramus signatus, Guild. Ann. Lye. N. H. of N. Y., VIII. 102, 

 fig. 5, G. Il.id. IX. 84. T. Bland. 



Pineria Viequensis, Pfr. Ann. Lye. N. II. of N. Y., X. 2G. 



Lingual membrane entirely distinct from Pupa, where it is placed by von 

 !Martcus. 



