HOOPER 



THE SKELETON. 4 1 



13. Which foramina derive their names from their location? 



14. Which foramina transmit important blood-vessels? 



15. Draw figures representing relative shapes and sizes of all foram- 

 ina of the skull. 



16. What bones enter into the formation of the brain cavity? 



17. Write about 200 words describing the nasal cavity. 



18. Draw a ventro-lateral aspect of the auditory bulla and label all 

 features. 



19. Write a description of the auditory bulla and name some mam- 

 mals in which it is absent. 



20. Which bones of the skull are composed of more parts in the 

 young than in the adult? 



21. Name the principal sutures of the skull. 



22. Name the parts of the sphenoid bone in the order of size. 



23. Name the bones of the skull visible from the dorsal aspect. 



24. Name the bones of the skull visible from the cranial aspect. 



25. What bone of the cranium paired in the cat is single in man? 



26. What bone present in face of the cat is wanting as a separate ele- 

 ment in man? 



If 2.7. Draw lateral aspect of mandible and label all features. 



28. Name the bones bearing the teeth. 



29. Name the elements of hyoid apparatus in order. 



30. Draw a section of the frontal bone showing diploe. 



31. Describe the difference between the relative locations of the 

 cranial and facial portions of the skull in cat and man. 



32. Name five membrane bones and five cartilage bones. 



VERTEBRA. 



The vertebral column is composed of the following five 

 groups of vertebrae : seven cervical, thirteen thoracic, seven 

 lumbar, three sacral, and caudal varying from four to 

 twenty-six. The following six features are common to all 

 of the vertebrae in the first four groups except the atlas : 

 (i) the body of the vertebra (Fig. 22), which forms the 

 floor of the neural canal and articulates with the adjacent 

 vertebrae by means of interposed discs of cartilage; (2) the 

 transverse processes, which project laterad from the body 

 or from the walls of the neural canal ; (3) a spinous process, 

 which projects dorsad from the roof of the neural canal; 

 5 



