THE COMPOSITION OF WHALE MILK 475 



dissolved with ether and the flask again dried and weighed. The difference in weight 

 gave the amount of fat present. 



Water. Estimated by difference. The percentage of total solids is subtracted from 

 100 and the difference is the percentage of water. 



Solids not fat. Obtained by subtracting the fat percentage from the total solids 

 percentage. 



28-2 



