PERSONAL APPEARANCES IN HEALTH AND DISEASE. II 



work consists of two hundred separate bones, eighty-three 

 of which are in pairs, JT IG 



and those that are single 

 are symmetrically shaped 

 and could be divided 

 into two equal and similar 

 halves. The bones forming 

 the head or skull are ar- 

 ranged into those which 

 form the cranium proper and 

 those which enter into the 

 face. The cranium or brain- 

 case rests upon the spinal 

 column by articular surfaces. 

 Its roof and sides are formed 

 by several flattened bones, 

 which in the adult are firmly 

 interlocked one with another. 

 Although expanded above, 

 at the base of the skull, the 

 bones are compact enough, 

 and, except for the numerous 

 perforations to allow of the 

 passage of nerves from the 

 brain and of blood-vessels, and a large aperture below 

 * Adult male human skeleton. 



