NORTH AMERICAN CONCHOLOGT. 



463 



[Carpenter, Mazatlan Shells.] 

 Page. 



145 Nucula ? exigua Sowb. 

 145 Leda ? Elenensis Sou-b. 

 Nucula Elenensis Sowb. 

 Pinna maura Sowb. 

 lanceolata Sowb. 



146 

 147 

 147 



148 



? rugosa ooicb. 

 Avicula sterna Gould. 

 A. Atlantica Mke. 



149 Margaritiphora Mazatlani- 



ca Hanley. 

 Meleagrina Mazatlanica 

 Hanley. 



150 Isognomon Chemnitzia- 



num cfOrb. 

 Perna Chemnifziana d'Orb. 

 fiexuosa Sowb. 



151 Janus Carp. 



152 Pecten circularis Sowb. 

 152 Spondylus calcifer Carp. 



S. Lamar ckii Hani., &c. ? 



155 (sp. ined.) 



155 Plicatula penicillata Carp. 



P. duhia (var.) Sowb. 



Page. 

 March, 1S56. 



157 Ostrea iridescens Gray. 



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

 0. rufa (pars.?) Gould. 

 159 Virginica Gmd. 



0. rostrata, ^-c. Ch.. 

 elongaia Sol. 

 crassa Ch. 

 Gryphsa angulata Lam. 

 0. Canadensis Lam. 

 longirostris Lam. 

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

 ? rufa Gould (pars.) 

 Columbiensis Hanley. 

 conchaphila Carp. 

 conchaphila ? (var.) pal- 

 (sp. ined.) [mula. 



161 

 161 

 163 

 164 

 164 

 166 



166 

 167 

 169 



Placunanomia pernoides 

 foliata Br. [ Carp. 

 P. cchinata Br. 

 pectinata Br. 

 claviculata Carp. 

 Anomia lampe Gr. 

 (sp. ined.) 



Class GASTEROPODAc 



Page. 

 170 



171 



Sub-class Opistbobrancliiafa. 



Page. 



Cylichna luticola C. B. Ad. 

 Bidla (CyL)huicolaC.li. A. 

 Haminrn luticola H. & 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 (sp. ined.) 



174 Haminea cymbiformis Car 



Page. 



175 Glandina Albersi Pfr. 

 Achatina Albersi Pfr. 



Sab-class Pulmouata. 



Page. 



175 Glandina turrls Pfr. (Acli.) 

 Acicula turris II. & A. Ad„ 

 Gl. Albersi (var.) turritaC. 



