SECT. l] 



PHYSICO-CHEMICAL SYSTEM 



353 



Table 45. Distribution of phosphorus. 



In % of the total P 



Miescher (1872) reported that in the salmon nearly all the phosphorus is in organic form. 

 * This fraction will include pyrophosphate P. 



t This fraction will include guanidine phosphoric acids (arginine or creatine phosphate P). 

 + "Present in some quantity." 



The lipoids of the mammalian egg-cell have recently been the 

 subject of some work which is interesting, though, Uke all histo- 

 chemical studies, very difficult to appraise. Following on Russo's 

 claim to have found two different sorts of eggs in rabbits, varying 



N E I 23 



