30 BULLETIN 763, U. S. DEPARTMENT OF AGRICULTURE. 
SUGGESTIONS ON HOW TO MAKE A SIMPLE CHART TO REPRESENT THF COMPOSI- 
TION OF MILK. 
Fourteen ounces water in a pint bottle. 
One-half ounce melted butter in 4 ounce vial. 
One-half ounce cheese (protein) in 4 ounce vial. 
Seven-eighths ounce milk sugar in 1 ounce vial. 
One-eighth ounce salt (mineral matter) in smallest vial. 
Label neatly and mount on cardboard. 
DAIRY BREEDERS’ ASSOCIATIONS. 
Letters addressed to the secretaries of these PES OSLID ONS will bring interesting mate- 
rial for the use of the teacher. 
American Guernsey Cattle Club. Wm. H. Caldwell, secretary, Peterboro, ING EE 
American Jersey Cattle Club. R.M. Gow, secretary, 324 West Twenty-third Street, 
New York, N. Y. 
Ayrshire Breeders’ Association. C.M. Winslow, secretary, Brandon, Vt. 
Brown Swiss Cattle Breeders’ Association. Ira Inman, secretary, Beloit, Wis. 
Holstein-Friesian Association of America. [Frederick L. Houghton, secretary, Brat- 
tleboro, Vt. 
