112 



BIBLIOGRArilY OF 



Page. Plate. 



119 



119 



120 



121 



121 



122 



122 



125 

 125 



126 

 126 

 127 

 127 

 127 

 127 

 128 



vn 

 vii 

 vii 

 vii 

 vii 



123 vii 



123 



123 



123 



123 



124 

 124 

 124 

 124 



Fig. 



14S 

 147 

 144 

 146 

 150 



145 



xsxvi 360 

 vi 124 a, b 



125 



126 



143 



i'ame. Locality. 



Valvata arenifera Lea is the larva-case of some insect. 

 pupoidea Gould, e. 1. Massachusetts. 



Natica heros Say. 

 duplicata Say. 

 triseriata Say. 

 immaculata Totten. 

 Clausa Soiverby. 



N. ronsolidata Couth, 

 pusilla Say. 

 flava Gould. 



canrena Lam. Asiatic, not Am. 



alba Say [no description: doubtful]. 

 lunata Say [no description: doubtful]. 



Trocliidae. 



Ampullaria Hopetonensis Lea, e. 1. Georgia, 

 rotundata Say, e. 1. Florida. 



paludosa et depressa Say, e. 1. Florida. 

 Ampullaria penesma Say, MSS. 



disseminata Say, MSS. 

 Janthina fragilis Bruguiere. 

 Scalaria subulata Couth. 



S. Groznlandica Gould. 

 Turbo elathrus-Gruznlandicus Chemnitz, 

 lineata Say. 

 multistriata Say. 

 Novangliae Couth., e. 1. 

 clathrus Linn., e. 1. 

 turbinata Conrad, e. 1. 

 Tornatella puncto-striata Adams. 

 Pirena scalariformis Say, e. 1. Florida Keys 



128 viii 



129 



129 viii 

 129 



129 



130 viii 

 130 



130 



130 vii 



Southern coast. 

 North Carolina. 



Ceriiliulsc. 



167 Cerithium Sayii Gould. 



Pasithea nigra Totten. 

 Cerithium nticulatum Totten. 

 ferrugineum Say, e. 1. 



168 Emersonii Adams, e. 1. 

 septemstriatum Say, e. 1. 

 nigrocinctum Adams, e. 1. 



172 terebrale Adams, e. 1. 



Greeni Adams, e. 1. 

 muscarum Say, e. 1. 



Purpuridae. 



161 Buccinum undatum Linn, 



Florida. 



Nantucket. 



Florida. 



Massachusetts. 



Massachusetts. 



Massachusetts. 



Florida. 



