728 E. C. CASE 



Fig. 12. Cricotus heteroclitics. Intercentrum. a) from above, b) from 

 before, c) from the side, d) from below. 



Fig. 13. C. heteroclitus. Intercentrum. 



Fig. 14. C. heteroclitus. Intercentrum. 



Fig. 15. C.gibsonii. Intercentrum. 



Fig. 16. Diplocaulus sala,7nandroides Dorsal vertebra, d) from the side! 

 b) from below. Twice nat. size. 



Fig. 17. D. salamandroides. Dorsal vertebra, a) from above, b) from 

 below. Twice nat. size. 



PLA TE II. 



Fig. r. Clepsydrops colletii. Dorsal vertebra, a) anterior, b) lateral, c) 

 posterior. 



Fig. 2. C. colletii. Dorsal vertebra, a) lateral, b) inferior. 



Fig. 3. C. colletii. Dorsal vertebra, a) lateral, b) showing vertebra 

 divided on median line. 



Fig. 4. {?)C. colletii. a) inferior, b) lateral, c) anterior, d) posterior. 



Fig. 5. C. pediinculatus. Anterior caudal, a) lateral, b) anterior, c) 

 posterior, d) inferior. 



Fig. 6. C. sp. Dorsal vertebra, a) lateral, b) posterior, c) anterior. 



Fig. 7. C. vinslovii. Dorsal vertebras, a) lateral, b) posterior, c) ante- 

 rior, d) inferior. 



Fig. 8. C. sp. Caudal vertebra, a) lateral, b) anterior, c) inferior, d) 

 posterior. 



Fig. 9. C. sp. Caudal vertebra, a) lateral, b) inferior. 



Fig. 10. C. sp. Caudal verebra, lateral. 



Fig. 11. C. sp. Axis, a) anterior, b) lateral, c) inferior. 



Fig. 12. Lysorhophus tricarinatus. Dorsal (?) vertebrae, a) from the side, 

 b) from above, c) from below. 



Fig. 13. L. sp. Dorsal (?) vertebrae, a) from above, b) from the side, c) 

 from below. 



PLA TE III. 



FlG. I. Archeobolus vellicatus. Maxillary. 



Fig. 2. Premaxillary. a) from before, b) from the side. 



Fig, 3. Scapula and Coracoid. 



Fig. 4. Humerus. X )4- a) lateral view, b) posterior view. 



Fig. 5. Humerus, a) anterior, b) proximal end, c) lateral, half nat. size. 



Fig. 6. Humerus. Distal end of same form as 5. 



Fig. 7. Humerus. Distal end. 



Fig. 8. Humerus, a) anterior view, b) lateral, c) and d) outlines of the 

 proximal and distal faces in natural position. 



Fig. 9. Proximal end of Ulna. 



