NORTH AMERICAN CONCHOLOGY. 



419 



Name. 

 Solen sicarius Gould. 

 Mactra falcata Gould. 

 Lutraria maxima Midi. 



L. capax Gould. 

 Osteodesma bracteatum. 

 Saxidomus Nuttalli Conr. 

 Cardita ventricosa Gould. 

 Cardium blandum Gould. 

 Venus rigida Gould. 

 Cyclas patella Gould. 

 Unio famelicus Gould. 

 Alasmodonta falcata Gould. 

 Auodonta cognata Gould. 



angulata Lea. 



feminalis Gould. 

 Mytilus trossulus Gould. 



(Modiola) flabellatus Gould. 

 Pecten hericius Gould. 



caurinus Gould. 

 Terebratula pulvinata Gould. 



caurina Gould. 



Locality. 

 Straits of de Fuca. 

 Puget Sound. 

 Puget Souud. 



Puget Sound. 

 Straits of de Fuca. 

 Puget Sound. 

 Puget Sound. 

 Puget Sound, &c. 

 Oregon. 

 Wallawalla. 

 Wallawalla, &c. 

 Nisqually, &c. 

 Sacramento river. 

 Wallawalla, &c. 

 Puget Sound. 

 Puget Sound. 

 Straits of de Fuca. 

 Port Townsend. 

 Puget Sound. 

 Puget Sound. 



ADDENDA AND CORRIGENDA. 



Page. 



501* Helix loricata Gould. 



H. Lecontei Lea. 

 501* devia Gould. 



II. Baskervillei Pfr. 

 503* Trochua ligatus Gould. 

 T. castaneus Forbes. 



503* Natica Lewisii Gould. 



N. herculea Midd. 

 508* Lutraria capax Gould. 



L. maxima (preoc. ) 



Comrad. — Descriptions of Marine Shells from Upper California, 

 collected by Thomas Xuttall, Esq.: by T. A. Conrad. (From 

 Journ. Acad. Nat. Sci., of Philadelphia, vol. vii, pt. 2, p. 227, 



1837.) 



53. I give botli foreign 



[This paper was very imperfectly quoted on p 

 and American species here. — W. G. B.] 



Page. Plate. Fig. Name. 



228 xvii 1 Pandora punctata Conr. 



228 xvii 2 Cardium substriatum Conr. 



229 xvii 3 Nuttalli Conr. 



229 xvii 4 Californianum Conr. 



Locality. 

 Sta. Barbara. 

 St. Diego. 



Estuary of Columbia r. 

 Sta. Barbara. 



