EXPLANATION OF PLATE 36 



Fig. 1. Acila gabbiana, n. sp., X 3. 



Fig. 2a. Leda fresnoensis, n. sp. X 1. Left valve of type. 

 Fig. 2b. Leda fresnoensis, n. sp., X 1- View showing anterior end ot 



ght valve of a cotype. 



Fig. 3. Leda gabbi Conrad, X 2. U. C. Locality 672. 



Fig. 4. Area homii Gabb, X 2. U. C. Locality 672. 

 Fig. 5a. Glycimeris sugittatus Gabb, X 2. U. C. Locality 672. 

 Fig. 5b. Glycimeris sagittatus Gabb, X 2. View showing hinge. 

 Fig. 6a. Glycimeris perrini, n. sp., X 2. Type. 

 Fig. 6b. Glycimeris perrini, n. sp., X 2. Hinge view of type. 

 Fig. 6c. Glycimeris perrini, n. sp., X 2. Young specimen, a cotype. 



Fig. 7. Glycimeris fresnoensis, n. sp., X 3. Type. 

 Fig. 8a. Glycimeris hannibali, n. sp., X 2. Type. 



Fig 8b. Glycimeris hannibali, n. sp., X 2. Hinge view of type. 

 Fig. 9a. Crassatellites mathewsonii (Gabb), X 2. U. C. Locality 672. 

 Fig. 9b. Crassatellites mathewsonii (Gabb), X 2. 

 Fig. 10. Crassatellites lillisi, n. sp., X 1- 

 Fig. 11. Lucina (Myrtea) taffana, n. sp., X 3. 

 Fig. 12. Lucina packi, n. sp., X 2. 



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