BUFFALO SOCIETY OF NATURAL SCIENCES 



187 



E 2071 Impression of right clei thrum. 



E 2072 Cranial plate. 



E 2073 Detached scales. 



E 2074 Detached scales. (PI. 64, figs. 2, 4, 5, 6.) 



E 2075 Detached scales. 



Fig. 62. Rhadinichthys antiquus (Williams). Posterior Half of Fish, Showing 



Heterocercal Tail, and the Fulcra of its Upper and 



Lower Lobes. Natural Size. E 2065 



Rhadinichtys ? indet. 



E 2076-7 That another species of Palaeoniscid in addition to tne 

 two preceding inhabited the waters of what is now 

 Western New York during Portage time, is indicated by 

 two specimens in the collection — a cleithrum and a 

 cranial plate, whose external faces are ornamented by a 

 series of crenulated ridges, arranged transversely to the 

 long diameter of the bone. 



