E. C. Case — Dimetrodon incisivus. 



477 



Fig. 5. 



Fig. 5. Photograph of the posterior limb and pelvic girdle, x - 2. 



Fig. 6. 



Fig. 6. Eestoration of Dimetrodon incisivus Cope. The line of the back 

 is a little too curved, x - 05 about. 



