566 Dr. A. E. \Yrii>-lit. On the Leucocytes of Peptone [Feb. 9, 



Peptone Blood. 



Obtained by injection of O3 to O5 gram per kilo, of body weight, 

 of "peptone" in the form of a filtered 10 per cent, solution in O75 

 per cent, of NaCl. 



