PLATE 6 1 



Rhadinichthys devonicus (ClsLrke). X4 



Fig. I. Right maxilla; outer view. It shows well the surface ornamentation. 

 E 2051, p. 184. 



Fig. 2. Right maxilla; outer view. The surface ornamentation is denuded, but 

 the teeth are well shown. (Cf. text-fig. 61 C.) E 2067, p. 185. 



Fig. 3. Right maxilla, defective posteriorly; outer view. E2050, p. i85. 



320 



