CASE— AMPHIBIA AND PISCES 



PLATE 12 



1. Trimerorhachis mesops. X %. Anterior end of skull from above. 



2. Interclaviole of Trimerorhachis (?). X %. 



3. Diplocaulus magnicornis. X %• Clavicles and interclavicle in position. 



4. Trimerorhachis insignis. X %. Outer surface of right half of lower jaw. 



