PLATE XXXII. 



PAGJE 



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 BRKWKRII. Natural size. 195 



Fig. 94. NTTCULA SOLITARIA. Magnified. 197 



Fig. 95. Magnified view of the surface of PEUTKN TRASKII, from a speci 

 men from Vancouver Island. 198 



