EEFEEENCES TO PLATE. 



Fig, 

 1. 

 k 2. 

 3. 

 4. 

 5. 

 6. 

 7. 

 8. 



Carpus of Eryops. After Emery. Slightly modified. Reduced. 



Carpus of Sphenodon, juv. After Howes and Swinnerton. Enlarged. 



Carpus of Procolophon. Slightly enlarged. 



Carpus of Theriodesmus. Arrangement restored. 



Carpus of Opisthoctenodon agilis. Enlarged. 



Carpus oi.Oudenodon trigoniceps. Slightly enlarged. 



Tarsus of Procolophon. Slightly enlarged. 



Tarsus of Oudenodon trigoniceps. Slightly enlarged. 



