Trans. K.S. C., 1886. DEVONIAN FISHES. Sec. IV. Plate VI. 

awa / 
6b. _ 6b, 
L. M. LAMBE, DEL. 

FTERICHTHYS (BUTHRIOLEPIS) CANADENSIS, Whiteaves. 
Fic. 1.— Upper surface, to show the shape and arrangement of the plates, the sculpture being purposely omitted. The numbers 
on the plates correspond as far as practicable to those of Pander’s restoration of Pterichthys. 
Fic. 2.—Enlarged representation of Plate 64, the shaded portion being intended to show its downward deflection. 
F iG. 3.—Posterior articulating or semi-articulating surface of the cranial shield as viewed from below. 
