PLATE 19 



Fig. I. Titanichthys sp. Anterior third of a small right mandible, in inner, or 

 oral, xdew. The anterior extremity is restored, and posteriorly the outer face is 

 embedded in matrix. X |. E 2391, p. 65. 



Fig. 2. Diikhlhys sp. Median occipital, ornamented with small tubercles 

 arranged in linear series radiating from a center; in matrix. Natural size. E 

 2008, p. 60 



236 



