234 



THE VERTEBRATE SKELETON. 



-12 



FIG. 40. A. ANTERIOR LIMB 

 imbricata) x (Brit. Mus.) 

 TURTLE (Chelone midas) x \ 



1. humerus. 



2. radius (almost hidden by 



ulna). 



3. ulna. 



4. radiale. 



5. intermedium. 



6. ulnare. 



7. centrale. 



8. carpale I. 



9. carpale IV. 



10. pisiform. 



11. first metacarpal. 



OF A YOUNG HAWKSBILL TURTLE (Chelone 

 . B. POSTERIOR LIMB OF A LARGE GREEN 

 j- (Camb. Mus.). 



12. femur, 

 the 13. tibia. 



14. fibula. 



15. tibiale intermedium and cen- 



trale fused. 



16. fibulare. 



17. tarsale 1. 



18. tarsale 2. 



19. tarsalia 4 and 5 fused. 



20. first metatarsal 



21. fifth metatarsal. 



i, ii, in, iv, v, digits. 



