1905.] 



Cord of the Macaque Monkey. 



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Chart XIX. — Curves showing the Eelative Increase and Decrease in the Cross-sectional 

 Area of the Cord, of the Grey and the White Substances and of their Component 

 Parts (Table XX). 



The section area at its maximum value is in each case taken as 100. The abscissae 

 denote spinal nerve region, the ordinates percentage value at corresponding region. 



Area of cross-section of cord Heavy black line. 



Section area of grey substance Eed continuous line. 



dorsal horns Eed broken line. 



ventral horns Eed line and dot. 



white substance.... Thin black continuous line. 



dorsal white columns Thin black broken line. 



ventro-lateral white columns Thin black line and dot. 



