CASE— COTYLOSAURIA 



1. Six posterior dorsals and sacrals of Diadectes. About %. No. 1077 Univ. of Chicago. 



2. A tooth of Diadectes, showing wrinkled root. Enlarged. 



3. Lower jaw of Diadectes sp., showing inner side. About %. No. 1076 Univ. of Chicago. 



4. Femur of Diadectes phascolinus, anterior view. About %. No. 4684 Am. Mus. 



5. Posterior view of the same femur. 



6. Tibia of same specimen. 



7. Left humerus, anterior view, of same specimen. 



8. Left humerus, posterior view, of same specimen. 



9. Right humerus of same specimen. 



