NORTH AMERICAN CONCHOLOGY. 



115 



Page. Plate. Fig, Name. 



154 xxiii 253 Velutina zonata Gould. 



Galericulum ovatum Couth. ? 



Locality. 



155 

 156 



156 



157 vii 152-4 



158 vii 153 a, b 



158 

 159 

 159 

 159 



160 

 161 



161 

 162 ix 



162 ix 



163 X 



164 X 

 164 



SCUTIBRANCHIA. 

 Calyptriadae. 



155 a, b Calyptrea striata Say, 



195 Cemoria Noachina Linn, 



Patella Noachina Linn. 



C. Flemingii Leacb. 



Rimula Noachina Couth. 

 altemata Say? e. 1. 



Fissurella altemata Say. 

 Crepidula fornicata Linn. 



Patella fornicata Linn, 

 plana Say. 



C unguiformis Lam. ? 

 131 convexa Say. 



glauca Say. 

 depressa Say, e. 1. 

 Intorta Sayf e. 1. 



CIRROBRANCHIA. 

 Dentalidae. 



197 Dentalium dentalis Linn. 

 attenuatum Say, e. 1. 



CYCLOBRANCHIA. 

 Patellida;. 



Patella Candida Couth. 



196 Patelloidea testudinalia Miiller. 



Patella amcena Say. 



testudinalis Lea. 

 lA)ttia testudinalis Gould. 

 194 alveus Conrad. 



Patella alveus Conrad. 

 Lottia alveus Gould. 



Cliitonidae. 



200 Chiton albus ilontagu. 



C. sayrinatus Couth. 

 aselloides Lowe. 

 201-2 apIculatuB Say. 



C. peclinatus Gould, 

 marginatus Pennant, e. 1. 



Coast of U. S. 



Southern coast. 

 Southern coast. 



Maryland. 



Massachusetts. 



