Ill] 



THE CONSTITUENTS OF MILK 



size, the largest being about 6J times the size of 

 the smallest. Careful investigations carried out by 

 Fleisehmann have shown that the diameter of the 

 former measures '00039 inch, and that of the latter 

 0000624 inch. Between these two sizes we have 



FIG. 8. MICROSCOPIC APPEARANCE OF MILK, containing 3 '6 per cent 

 of fat. (Kirchner.) 



a large variety of globules. It would seem as if 

 some definite ratio existed between their size and 

 their number, the smaller ones being more abundant 

 than the larger ones. Indeed it seems probable that 

 the weight of all the globules of one size is equal to 

 the weight of all the globules of another size ; or, to 



