Chittenden — Caseoses, Casein Dyspeptone, and Casein Peptone. 75 



Dyspeptone E. 



Percentage composition of ash-free substance. 



C 

 H 



N 



50-84 

 6-75 



50-75 

 6-72 



15-10 



15-15 



Average. 



50-80 



6-73 



15-12 



Dyspeptone F. 



Percentage composition of ash-free substance. 



15-21 



Average. 



51-60 



6-83 



15-19 



Preeentage composition of ash-free substance. 



Average. 

 C 50-35 50-44 .... .... 50-39 



H 6-61 6-65 .... .... 6-63 



N 15-55 15-61 15-58 



