SYSTEMATIC ANALYSIS OF THE BODY. ?3 



5th, All the organs of the Head- Walls must have 

 blood-tubes interwoven through them ; or in tabular form, 



( Skeleton. 



AC\ m Muscles. 



4U. THE GENERAL OKGANS of the Head-Walls J Nerves 



Skin. 

 FIG. 52. [Blood-tubes. 



Fig. 52 rep- 

 resents a sec- 

 tion of the 

 skin, the right 

 half remov 

 ed; superficial 

 Blood - tubes 

 of the Right 

 Head ; the 

 darker net- 

 work, veins ; 

 the beaded 

 net-work the 

 lymphatics, 

 connectedbe- 

 low the ear 

 with small 

 organs,called 

 the lymphat- 

 ic glands. 



41. THE ORGANS OF THE WALLS OF THE HEAD are 

 all general, their like being found in various other parts 

 of the body. 



5th. What parts of the Head- walls have Blood-tabes ? Why ? Describe Fig. 

 52. 40. What are ? 41 Where are foun<i ? 

 o* 



