PLATE XXXII. 



PAGE 



Fig. 91, Inoceramus Whitneyi. From a cast. 193 



Fig. 92. Aucella Piochii. Anterior view. Natural size. 194 



92 a. Back view of large valve. 



92 b. Small valve of a smaller individual. 



92 c. View of interior of the small valve of a young individual, about 

 twice natural size. 



Fig. 93. Pinna Brewerii. Natural size. 195 



Fig. 94. Nucula SOLITARIA. Magnified. 197 



Fig. 95. Magnified view of the surface of Pecten Traskii, from a specimen 



from Vancouver Island. 198 



