14 



I. LESLIE 



TABLE IV 



Amounts of Ribonucleic Acid Phosphorus (PNA-P) and Deoxyribonucleic 



Acid Phosphorus (DNA-P) in Various Forms of Male and Female Animals 



the DNA-P per cell, all these values are consistently higher for males than 

 for females (Table V, refs."' "■ ^^- ^^). In addition to demonstrating these 

 differences in liver cell composition of male and female rats, Campbell and 

 Kosterlitz^" also found that both the PNA-P per unit PN and the ratio 



«« M. F. Harrison, Proc. Roij. Soc. (London) B141, 203 (1953). 



'" R. M. Campbell and H. W. Kosterlitz, /. Endocrinol. 6, 308 (1950). 



