PLATE XXXVI. 



PAQg 



Fig. 11. UNDETERMINED. 276 



Fig. 12. * PHOLADOMYA SONORENSIS. Slightly magnified. 265 



Fig. 13. TAPES HILGARDI. Natural size. 265 



Fig. 14. I/ CARDIUM (GRANOCARDITTM) SABULOSUM. Natural size. 267 



Fig. 15. K^CARDIUM (PROTOCARDIUM) GRANULIFERUM. Natural size. 267 



Fig. 16. V 1 CARDITA ALTICOSTA. Magnified. 268 



Fig. 17. / REMONDIA FURCATA. Natural size. 270 



17 a. Hinge of left valve. 



Fig. 18. ]/ CUCULL^A INERMIS. Natural size. 271 



18 a. End view of same. 



Fig. 19. V EXOGYRA PLICATA. Natural size. 275 



19 a. Edge view of same. 



