252 



TABLE IV 

 Calculated values of the exponents d, '/. (= s/jg d) and k for the increase of the 

 plasma volume D with the cell volume C and with the body weight P, and of 

 the nucleus volume K with the cell volume C. (From measurements of the diameters 

 of ganglion cells and their nuclei by Giuseppe Levi, and corresponding linear 

 dimensions of their plasma). ') 



The cells compared tliere are all adult, and homologous as regards 

 their general character, but not being in each case of accnrately 

 corresponding places in the central nervons system, they cannot be 

 directly referred to the body weight8. 



') Cf. in these Proceedings, Vol. XXlll, p. 672, Table I. There on p. 674 also 

 the above calculations were already published in Trble II. 



