58 



CATALOG OP FOSSIL FISHES IN THE MUSEUM 



instead of merely overlapping to the extent of about one-fourth the 

 width of one of these plates. The anterior median-ventral differs in 

 shape; the postero-ventromedian does not extend so far back; and 



Fig. i6. Dinichthys sp. Ventral Armor of a Medium-sized Species, Much 

 Weathered. X\. E 2032 



the anterior processes of the an tero- ventrolaterals are shorter and 

 broader, giving these plates a different aspect. We believe there is 

 ample justification for all these details in the specimen. 



