MILK. 



315 



food (B). BUNGE found the following figures in 1000 parts of the 



milk : 



A B 



K 3 0.780 0.703 



Na a O 0.232 0.257 



CaO 0.328 0.343 



MgO 0.064 0.065 



Fe 3 O 8 0.004 0.006 



P a 6 0.473 0.469 



Cl 0.438 0.445 



The relationship of the two bodies, potassium and sodium, to 

 each other may, according to BUNGE, vary considerably (1.3-4.4 

 equivalents potash to 1 of soda). By the addition of salt to the 

 food the quantity of sodium and chlorine in the milk increases, 

 while the quantity of potassium decreases. The gases of woman's 

 milk have not been investigated. 



The proper treatment of cow's milk by diluting with water and 

 by certain additions in order to render it a proper substitute for 

 woman's milk in the nourishment of babes cannot be determined 

 before the difference in the albuminous bodies of these two kinds 

 of milk has been completely studied. 



The period of lactation acts essentially the same on woman's as 

 on cow's milk. 



The colustrum has a higher specific gravity, 1.040-1.060, a 

 greater quantity of coagulable proteids, and a deeper yellow color 

 than ordinary woman's milk. Even a few days after delivery the 

 color becomes less yellow, the quantity of albumin less, and the 

 number of colostrum-corpuscles diminishes. CLEMM has analyzed 

 the colostrum at different periods before and after delivery, and 

 the following are his results in parts per 1000 : 



