NORTH AMERICAN CONCHOLOGY. 



ICO 



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45 Ranella caudata Say. 



45 Purpura lapillus Lam. 



Buccinum lapillus Linn. 

 45 Nassa trivittata Say. 



Buccinum trivittatum Ad. 

 45 vibex Say. 



Buccinum vibex Ad. 

 45 obsoleta Say. 



Buccinum obsoletum Ad. 



45 Buccinurn undatuni Linn. 



46 plicosum Mi nice. 



Fusus cinereus Say. 

 4(5 Tritonium ventricosum St. 



Fusus ventricosus Gray. 

 46 Islandicum Loven. 



Murex Islandicus Chemn. 



Fusus Islandicus Gould. 

 46 pygmaeum St. 



Fusus Islandicus var. pyg- 

 tnscus Gould. 



Fusus pygmaeus Migh. 

 46 decemcostatum 



Midde n do rff. 



Fusus decemcostatus Say. 



Muricidae. 



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47 Tritonium clathratum Mull. 



Murex clathratus Linn. 

 Bamffius Don. 



Fusus Bamffius Flem. 



Troplton clathratum 



F. et H. 

 47 scalariforme St. 



Fusus scalariformisGoulil. 



T. clathratum var. Loven. 

 47 Fasciolarialigata Migh. et Ad. 

 47 Pyrula canaliculata Brug. 



Man x canaliculata Linn. 

 47 carica Brug. 



Murex carica Gmel. 



P. auruana Reeve. 

 47 Columbella rosacea St. 



Buccinum rosaceum Gld. 



47 dissimilis St. 

 Buccinum zonale Linsley ? 



48 lunata Sow. 

 Nassa lunata Say. 

 Buccinum lunata Ad. 



48 Fusus Trumbulli Linsley? 



48 Buccinum Veatleyi De Kay? 



48 Columbella G-ouldiana Ay. 

 48 avara Say. [MS. 



4S Mangelia turricula F. et II. 



Murex turricula Mont. 



Fusus turricula Brown. 

 4S harpularia St. 



Fusus harpularius Couth. 

 49 pyramidalis St. 



Buccinum pyramidale 



Strom. 



Tritonium pyramidale 



Loven. 



Fusus rufus Gould. 



Conidao. 



49 



Mangelia cancellata St. 



Fusus cancellatus M. et A. 

 49 decussata St. 



Pleurotoma decussata Coil. 

 .49 violacea St. 



Pleurotoma violacea 



Migh. et Ad. 

 49 bicarinata St. 



Pleurotoma bicarinata Cou. 

 49 Pleurotoma cerinum A'wrte et 

 St. (pi. ii, fig. 2). 

 49 plicatum Adams. 



