VERTEBRATES 



1. Frontal bone. 



2. Parietal bone. 



3. Temporal bone. 



4. Upper jaw (maxilla). 



5. Cheek-bone (malar bone). 



6. Lachrymal bone. 



7. Lower jaw (mandible). 



8. Nasal bone. 



9. Cervical vertebra. 



10. Thoracic vertebra. 



11. Lumbar vertebrae. 



12. Sacral bone. 



13. Coccygeal bone. 



14. Sternum. 



15. Ribs. 



16. a-c. Pelvis. 



17. Clavicle. 



18. Scapula. 



19. Humerus. 



20. Radius. 



21. Ulna. 



22. Carpal bones. 



23. Metacarpal bones. 



24. Phalanges. 



25. Femur. 



26. Tibia. 



27. Fibula. 



28. Patella. 



29. Tarsal bones. 



30. Metatarsal bones. 



31. Phalanges. 



HUMAN SKELETON. 



the walls of the intestine, the surface of the intestinal walls being 

 frequently much folded for the purpose of increasing the absorbent surface 

 and provided with peculiar prominences, or villi. Those materials of the 



