BUFPALO SOCIETY OF NATURAL SCIENCES 65 



Titanichthys sp. 



(Text-fig. 20) 



E 2390 Slab in counterpart, exhibiting portion of a rather small 

 lateral, or ''clavicular" plate, and a second, complete 

 but indeterminate plate partly overlying it. 



Cleveland shale; Linndale, near Cleveland, Ohio; col- 

 lected by W.L. Bryant, 1914. 



Fig. 20. Titanichthys sp. Outline or One Arm of a Lateral and an Associated 

 Plate. X \. Preserved in Counterpart. E 2390 



E 2391 Anterior third of a small right mandible (PI. 19, fig. i). In 

 the same concretion and in actual contact with the man- 

 dible is a spiniferous plate, or fin-ray, with knife-like 

 blade, similar to those of dinichthyids. 



