NORTH AMERICAN CONCHOLOGY. 



463 



155 Plicatula penicillata Carp. 

 P. dubia (var.) Sowb. 



166 

 1G7 

 1G9 



1856. 

 Ostrea iridescens Gray. 



0. (sp. ined. b.) C. B. Ad. 

 0. rufa (pars. ?) Gould. 

 Virginica Gnu I. 

 0. rostrata, frc. Cb. 

 elongata Sol. 

 crassa Ch. 

 Gryphaea angulata Lain. 

 0. Canadensis Lam. 

 lontjiroslris Lain. 

 (sp. ined. d.) C. B. Ad. 

 ? rufa Gould (pars.) 

 Columbiensis Hanley. 

 conchaphila Carp. 

 conchaphila ? (var.) pal- 



(sp. ined.) [mula. 



Placunanomia pernoides 



foliata Br. [ Carp. 



P. echinata Br. 

 pectinata Br. 

 claviculata Carp. 

 Anomia lampe Gr. 



(sp. ined.) 



Class GASTEROPODA 



Page. 



170 



171 



Sub-class Opistliobraiacliiata. 



Tago. 



Cylichna luticola C. B. Ad. 



Bulla ( Cyl.)luticola CB. A. 

 Uaminea luticolall. & A. A. 

 Tornatina infrequens 



C. B. Adams. 



Bulla (Torn.) infrequens 



C. B. Adams. 



Bulla ( Torn.) gracilis Mke 



171 Tornatina carinata Carp. 



172 Bulla Adamsi Mke. 



173 ? nebulosa Gould. 

 173 ? Quoyii Gray. 



173 exarata Carp. 



174 (>p. ined.) 



174 Haminea cymbiformis Car 



Sub-class I'ulmoimta. 



Page. 



175 Glandina Albersi Pfr. 

 Achatina Albersi Pfr. 



Page. 



175 Glandina turris Pfr. (Ach.) 

 Acicula turris II. & A. Ad„ 

 67. Albersi (var.) turritaC. 



