PLATE 13 



Fig. I. Diniclitliys piistiilosus'EaiStraan. Rostral element in matrix; outer view. 

 It shows the ornamentation well. Original in private collection of E. E. Teller, 

 Buffalo, N. Y. 



Fig. 2. Ditto. Beak of a right mandible, in inner view, showing row of sym- 

 physeal denticles (s) . Natural size. E 1896. p. 51. 



Fig. 3. Dinichthys sp. "Tooth" of a left antero-superognathal. X f. (By 

 inadvertance printed upside down.) E 1958, p. 62. 



Fig. 4. Dinichthys pustulosus Eastman. Left marginal of a small cranium, 

 showing sensory canal. X |. E 1973, p. 52. 



Fig. 5. Dinichlhys sp. Half of a postero-dorsolateral, in outer view. X 5. 

 E 1998, p. 63. 



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