PLATE XVI. 



Inoceramus und abundus M. & H 84 



Figs. 1, 2. Two views of a left valve (after Meek). 



Inoceramus tenuirostratus M. & H 83 



Figs. 3 ; 4. Two views of tlie type specimen. 

 Nat. Mus. Cat. Invert. Foss., 1906. 



224 



