PLATE VII. 



rig. i 



Inoceramus? rectangulus. 

 A'iew of right valve. 

 1 a. Section of same, to show its convexity. 



PACE 



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Fig. 2 



Inoceramus? obliquus. 

 View of right valve. 

 2 a. Section of same, to show its convexity. 



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Fig. 8. An undetermined bivalve. 



Fig. 4. Lima ? sinuata. 



View of a left valve, with the front of the beak broken away. 



4 a. Anterior profile view of the same, to show its convexity, and 

 gaping margin. 



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Fig. 5. 



Lima? recticostata. 

 View of rio-ht valve. 



44 



Fig. 6. 



Lima ? cuneata. 



View of right valve, with beak and portions of the 

 margin broken away. 



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Fig. 7. Mytilus multistriatus. 



View of right valve. 

 7 a. Magnified surface striae of same. 



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