CASE— AMPHIBIA AND PISCES 



1 and 2. Skulls of Diplocanliis copei. Reduced abDut half. 



CO, occipital condyle. 

 .5. Cro.ss-section of a tooth of Izryops. ]\nlarged. 



4. Dor.sal vertebrae of Eryops. X 1. 



5. Skull of Aspidosaurus chiton. X 1. 



6. Skull cjf Trijiierorhac/iis conangnliis. X 1. 



