
4 

REPORT OF THE CHEMIST. 
The present annual report covers the period extending from 
December 1, 1890, to December 1, 1891. The following statement 
indicates, in outline, the various subjects considered : 
i 
IL. 
iil. 
LY: 
Vs 
VI. 
VIL 
VIII. 
x 
Xx 
XL. 
XII. 
XIII. 
XIV. 
AY. 
oN AS 
XVIL. 
XVIII. 
XIX. 
XX. 
Summary of laboratory work. 
Arrangement of chemical work. 
Bulletins and addresses. 
Experiments. in the manufacture of cheese. 
Loss of milk constituents in cheese-making. 
Influence of composition of milk on composition of cheese. 
Influence of composition of milk on yield of cheese. 
Comparison of Cheddar and stirred-curd processes of 
manufacture. 
Comparison of commercial’and home-made rennet-extract 
Changes taking place in the ripening of cheese. 
Lines of work in future investigations of cheese. 
Results of investigation of cheese applied to practical 
dairy problems. | , 
General summary of results of investigation of cheese. 
Comparison of dairy breeds of cattle with reference to 
production of butter. 
Comparison of dairy breeds of cattle with reference do 
production of cheese. 
The influence of advancing lactation upon the production 
of butter. 
The influence of advancing lactation upon the ection 
of cheese. 
How to ascertain the butter-making efficiency of milk-fat. 
Comparison of methods of creaming milk by setting and - 
by centrifugal machine. 
Analyses of materials used in spraying plants. 
* I. L. Van Slyke, Ph. D. 

