Eastman. — Dinichthys. 
PLATE 1. 
Fig. 1. Dinichthys intermedius Newb. X 4. Projection of cranium and dorsal plates 
in their natural relations with respect to one another. DM, Dorso- 
median; ADL, Antero-dorso-lateral; PDL, Postero-dorso-lateral. 
Sensory canals indicated by double dotted lines, boundaries of plates 
by single lines. The posterior process depends at an angle of about 
609 from the plane of the dorso-median. 
Fig. 2. Dinichthys (?) newberryi Clarke. X }. Restoration of the Portage plastron 
shown in Plate 4. AVM, Antero-ventro-median; PVM, Postero- 
ventro-median; AVZ, Antero-ventro-lateral; PVL, postero-ventro- 
lateral. Radiating lines show approximately the course of vascular 
canals. Overlapped borders of plates indicated by dotted lines. 
