CASE 



PLATE 23 



Fig. 1. Interclavicle of £rt/op5, showing sculpture. No. 3406. X 0.93. 



Fig. 2. Proximal end of left clavicle of Er\)ops, sfiowing sculpture. No. 3385. X 0.5. 



Fig. 3. Outer face of right cleithrum of Eryops. No. 3408. X 0.3. 



Fig. 4. Inner face of same. X 0.3. 



Fig. 5. Lower face of femur of an unnamed amphibian. No. 3295. X 0.5. 



Fig. 6. Lateral face of same. X 0.5. 



Fig. 7. Upper face of left humerus of Archeria robinsoni. No. 3246. X 0.5. 



Fig. 8. Lower face of same. X 0.5. 



