NORTH AMERICAN CONCHOLOGY. 



419 



Page. 



Fig. 



Name. 



Locality. 



387 



501-501" 



Solen sicarius Gould. 



Straits of de Fuca 



393 



506-506" 



Mactra falcata Gould. 



Puget Sound. 



395 



508-508'' 



Lutraria maxima Mldd. 

 L. capax Gould. 



Puget Sound. 



397 



509-509*' 



Osteodesma bracteatum. 



Puget Sound. 



399 





Saxidomus Nuttalli Conr. 



Straits of de Fuca. 



417 



532, 532a 



Cardita ventricosa Gould. 



Puget Sound. 



418 



534, 534» 



Cardium blandumi Gould. 



Puget Sound. 



420 



538-588b 



Venus rigida Gould. 



Puget Sound, &c. 



426 



527-527" 



Cyclas patella Gould. 



Oregon. 



432 



544_544b 



Unio famelicus Gould. 



Wallawalla. 



433 



545-545" 



Alasmodonta falcata Gould. 



Wallawalla, &c. 



435 



546-546" 



Anodonta cognata Gould. 



Nisqually, &c. 



436 





angulata Lea. 



Sacramento river. 



436 



547-547" 



feminalis Gould. 



Wallawalla, &c. 



450 



567, 567^ 



Mytilus trossulus Gould. 



Puget Sound. 



453 



561, 561=^ 



(Modiola) flabellatus Gould 



Puget Sound. 



457 



570, 570^ 



Pecten hericius Gould. 



Straits of de Fuca 



458 



569-569" 



caurinus Gould. 



Port Townsend. 



467 



581-581^ 



Terebratula pulvinata Gould. 



Puget Sound. 



468 



582-582<= 



caurina Gould. 



Puget Sound. 



ADDENDA AND CORRIGENDA. 



Page. 

 501* 



501* 



503* 



Helix loricata Gould. 

 H. Lecontei Lea. 

 devia Gould. 

 II. Bashervillei Pfr. 

 Trochu3 ligatus Gould. 

 T. castaneus Forbes. 



503* 



508* 



Natica Le-wisii Gould. 



N. herculea Midd. 

 Lutraria capax Gould. 



L. maxima (preoc.) 



Conrad. — Descriptions of ^Marine Shells from Upper California, 

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

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

 1837.) 



[This paper was very imperfectly quoted on p. 53. I give both foreign 

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



Page. Plate. Fig. Xame. 



228 xvii 1 Pandora punctata Conr. 



228 xvii 2 Cardium substriatum Conr. 



229 xvii 3 Nuttalli Cour. 



22& xvii 4 Californianum Conr. 



Locality. 

 Sta. Barbara. 

 St. Diego. 



Estuary of Columbia r. 

 Sta. Barbara. 



