NORTH AMERICAN CONCHOLOGY. 



115 



Page. Plate. Fig. 



154 xxiii 253 



Name. 

 Velutina zonata Gould. 



Galericulum ovatum Couth.? 



Locality. 



155 



156 



156 



SCUTIBRANCHIA. 

 Calyptfriadae. 



vii 155 a, b Calyptrea striata Say. 

 ix 195 Cemoria Noachina Linn. 



Patella Noachina Linn. 

 C. Flemingii Leach. 

 Rimula Noachina Couth, 

 alternata Say? e. 1. 

 Fissurella alternata Say. 

 Crepidula fornicata Linn. 

 Patella fornicata Linn, 

 plana Say. 



C. unguiformis Lam. ? 



158 vii 131 convexa Say. 



159 glauca Say. 



159 depressa Say, e. 1. 



159 intorta Say? e. 1. 



157 vii 152-4 



158 vii 153 a, b 



160 

 161 



161 



162 ix 



162 ix 



103 x 



164 x 

 164 



197 



CIRROBRANCHIA. 

 I>entalidae. 



Dentalium dentalis Linn. 

 attenuatum Say, e. 1. 



Coast of U. S. 



Southern coast. 

 Southern coast. 



Maryland. 



CYCLOBRANCHIA. 

 Patellidae. 



Patella Candida Couth. 

 196 Patelloidea testudinalis Matter. 

 Patella amoena Say. 



testudinalis Lea. 

 Lottia testudinalis Gould. 

 194 alveus Conrad. 



Patella alveus Conrad. 

 Lottia alveus Gould. 



Cliitonidae. 



200 Chiton albus Montagu. 



C. sagrinatus Couth. 

 aselloides Lowe. 

 201-2 apiculatus Say. 



C. pectinatus Gould. 

 marginatus Pennant, e. 1. 



Massachusetts. 



