DEVONIC FISHES OF THE NEW YORK FORMATIONS 12/ 



terminal process being given off at a slight distance in advance of the 

 posterior margin. 



In the minute and in most respects very accurate description given of 



Fig. 24 Dinichthys h a I m o d e u s ^Clarke). Erian; Livonia Salt Shaft, N. Y. Restoration of 

 head shield and dorsal armoring of trunk, x %. .(4/?Z,=antero-dorsolateral ; C=central ; DM^doxso- 

 median ; ^(9=external occipital ; i^^marginal ; yj/^^median occipital ; /^=pineal ; /*Z?Z.=postero- 

 dorsolateral ; 7?=rostral ; i>'<7-=suborbital 



the type specimen by the original author, it is clearly stated that the denti- 

 tion presents "an aspect highly similar" to that of Dinichthys, comparisons 

 being made between the present species and D. herzeri, which also has 



