348 BULLETIN OF THE 



jjQlix ? Ann. N. Y. Acad. Nat. Sc, I. 261. 



Carelia bicolor, Jay. Phila. Proc, 1876, 185. 



Macrodontes odontostomus, SowB. Am. Joum. Conch., VI. 209 ; Phila. Proc, 



1874, 58. 

 PelocychUus auris Sileni, Born. Ann. Lye, XI. .33 ; X. 222 ; Phila. Proc, 

 1874, 58. 

 glaher, Gmel. Phila. Proc, 1874, 58 ; Ann. Lye, XI. 33. 

 A nthintls multicolor, Rang. Am. Joum. Conch., VI. 203 ; Phila. Proc, 1874, 58. 

 PacJnjotus egregius, Jay. Phila. Proc, 1874, 58. 

 Borus oUongus, Mull. Am. Journ. Conch., VII. 180. 

 Orphnus foveolaliis, RvE. Ann. Lye, XI. 32. 



magnificus, Grat. Am. Journ. Conch., VI. 208. 

 Hanleyi, Pfr. Phil. Proc, 1874, 59 ; Am. Journ. Conch., VI. 208. 

 Dryptus pardalis, Fer. Am. Journ. Conch., VII. 181. 



mannoratus, DuNKER. Phila. Proc, 1874, 59 ; Am. Joum. Conch., 

 Vn. 181. 

 Eurytus aulacostylus, Pfr. Ann. Lye, X. 222 ; Phila. Proc, 1874, 59. 

 Canistrum fulgetrum, Brod. Am. Jour. Conch., VII. 180 ; Phila. Proc, 1874, 59. 



(c.) Jaw with separate delicate ribs, usually running obliquely 



TOWARDS THE CENTRE. 



Gceotis. Ann. Lye, X. 252. 



Amphibulima patula, Brug. Ann. Lye, X. 225 ; Phila. Proc, 1874, 44. 

 appendiculata, Pfr. " " 343, 206 ; " " 42. 



rubescens, Desk. " " 345 ; " " 45, 



Ratasonis, Bland. " XI. 187. 



Drymceus altoperuvianus, Rve. " " 33. 



Vincentinm, Pfr. Phila. Proc, 1874, 53. 

 Knorri, Pfr. " " " 



Lobbii, Rve. Ann. Lye, XI. 35. 

 Bahamensis, Pfr. " X. 82. 



Raivsonis, H. Ad. (aureolua var. Rmosonis.) Am. Joum. Conch., 

 VII. 181. 

 Liostracus multifasciatus, Lam. Ann. Lye, X. 305. 

 allei-nans, Beck. " " 



Marielinus, PoEY. Terr. Moll., V. 

 Dormani, W. G. B. 

 Mesembrinus primularis, Rve. Ann. Lye, XI. 37 ; IX. 282. 

 pall idior, How B. " XI. 180; " 



chry.talLt, Pfr. Phila. Proc, 1874, 53. 

 Tliaumastus allernatus, Say. Terr. Moll., V. 



Schiedearms, Pfr. " " and this paper. 



immaculatus, Ad. See this paper. 

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

 laticinctus, Gui'py. Ann. Lye, X. 81. 



