EXPLANATION OF PLATE 14 



Eocene of Marysville Buttes 

 Fig-, la. Glycimeris marysvillensis, n.sp. X4. 



Fig. lb. Glycimeris marysvillensis, n.sp., looking down upon the urn- 

 bones. X4. 



Fig. 



2a. 



Nucula cooperi, n.sp.. view showing hinge. 



X4. 



Fig. 



2b. 



Nueula cooperi, n.sp., back view. X4. 





Fig. 



3o. 



Tellina sutterensis, n.sp. X3. 





Fig. 



3b. 



View showing umbones of Fig. 3a. X3. 





Fig. 



4a. 



Cardium dalli, n.sp. X2. 





Fig. 



4b. 



Cardium dalli, n.sp., view showing umbone. 



X2. 



Fig. 



4c. 



Detail of Fig. 4a showing the two kinds of 



decoration. 



Fig. 



5a. 



Calliostoma( ?) arnoldi, n.sp. X4. 





Fig. 



56. 



Top view of Fig. 5a. X4. 





Fig. 



5c. 



Detail of decoration of Fig. 3o. 





Fig. 



Ga. 



Trochocyathus( ?) perrini, n.sp., side view. 



X4. 



Fig. 



66. 



Trochocyathus( ?) perrini, n.sp., base view. 



X4. 



Fig. 



6c. 



Troehoeyathus( ?) perrini, n.sp., top view. 



X4. 



Fig. 



7. 



Synechodus, sp. X'2. 





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