252 FARM AND SCHOOL PROBLEMS. 



4. Dairy Cattle and Milk Production Eckles, 8-12 Macmillan Co., 



$1.60. 

 o. The Dairyman's Manual Stewart, 8-12 Webb Pub. Co., $1.50. 



6. Testing Milk and Its Products Farrington and Woll, 8-12 Men- 

 dota Pub. Co. 



7. Milk and Its Products Wing, 8-12 Macmillan Co., $1.50. 



8. Modern Methods of Testing Milk and Milk Products Van Slyke, 

 8-12 Orange Judd Co., 75c. 



9. Bacteria in Milk and Its Products Conn P. Blakiston's Son 

 & Co. 



10. Clean Milk Belcher, 8-12 Webb Pub. Co., $1.00. 



11. Science and Practice of Cheese Making Van Slyke and Purblow, 

 8-12 Webb Pub. Co., $1.75. 



12. Butter Making Purblow, 8-12 Webb Pub. Co., 50c. 



References for Supplementary Reading. 



The Dairy Industry in the United States has become of such 

 great importance that the National Government has made an ex- 

 tensive study of this industry, and has an abundance of available 

 information for the use of the student of dairying. Write to 

 the U. S. Dept. of Agriculture, for any of the following: 



F. B. No. 55 The Dairy Herd ; Its Formation and Management. 



196 Breeds of Dairy Cattle. 



413 The Care of Milk and its Use in the Home. 



201 The Cream Separator, on Western Farms. 



348 Bacteria in Milk. 



541 Butter Making on the Farm. 



166 Cheese Making on the Farm. 



355 A Successful Poultry and Dairy Farm. 



280 A Profitable Tenant Dairy Farm. 



337 Cropping Systems for New England Dairy Farms. 



349 The Dairy Industry in the South. 

 42 Facts About Milk. 



Circulars No. 126 The Importance of Keeping Dairy Records. 



179 Cow-Testing Associations. 



139 The Score Card System of Dairy Inspection. 



153 The Dissemination of Disease by Dairy Products. 



103 Records of Dairy Cows. 



114 Sanitary Milk Production. 



117 A City Milk and Cream Contest. 



143 Milk and Its Products as Carriers of Tuberculosis 

 Infection. 



