CASE— AMPHIBIA AND PISCES 



-Cleithrum 



-Clavicle 



Cacops aspidephorus. No. 647 Univ. of Chicago. X %. Scapula witli 

 attached cleithrum and clavicle; a, inner surface; A, outer surface. 



Aspic/osaiirus. X %. Spines of dorsal vertebrae; a, from the left side; 

 b, from in front. 



J)es»iospon(fylus aiioiiia/i/s. X %. Posterior dorsal vertebrae; a, from the 

 left side; A, intercentrum from below. 



All figures after Williston. 



