NERVOUS PATHWAYS 
Ccl/ Kq/H 
OOC 500 
■ • sprnal cord 
severed a f 2Th level 
...cervical plexus 
severed 
brachial plexus 
severed 
-30 
■20 
-10 
10 
20 
Ambienr Temp 
30 
Figure ;j. Heat production of dogs. The normal dog, after the 
spinal cord had been severed a thoracic two level, after the cervical 
plexus had been severed, and after the brachial plexus had been 
severed. 
231 
