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 halmodeus <Clarke). 



head shield and dorsal armoring of trunk, x %. ADL = 

 median ; £0=external occipital ; ^1/-= marginal ; MO=\ 

 dorsolateral; Tf-rostral ; .S-<y™siiborbital 



Salt Shaft, N. Y. 



ilateral ; C=central ; DM=Aox%- 



/'=pineal: POi^^poster 



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. h e r z e r i, which also has 



