REFERENCES 23 



REFERENCES 



1. For statistics of agricultural production see Yearbook of the Depart- 

 ment of Agriculture. 



2. For statistics of the movement of grain crops to market see the annual 

 reports of the Secretaries of the important exchanges, especially the following : 

 Winnipeg, The Grain Exchange; Duluth, The Board of Trade; Minneapolis, 

 The Chamber of Commerce; Chicago, The Board of Trade; Kansas City, 

 The Board of Trade; St. Louis, The Merchants Exchange. 



3. For abstracts from the reports issued by the Experiment Stations of 

 the United States, and from other agricultural literature, consult the " Experi- 

 ment Station Record," published by the Department of Agriculture, 

 Washington. 



4. WELD, L. D. H.: "The Marketing of Farm Crops." 



Maladies Affecting Animals. 



In the Secretary of Agriculture's Annual Report for 1915 he estimates the 

 loss for the year as follows : 



Hog cholera $ 75,000,000 



Texas fever and cattle ticks 40,000,000 



Tuberculosis 25,000,000 



Contagious abortion 20,000,000 



Blackleg 6,000,000 



Anthrax 1,500,000 



Scabies of sheep and cattle 4,600,000 



Glanders 5,000,000 



Other livestock diseases 22,000,000 



Parasites 5,000,000 



Poultry diseases 8,750,000 



$212,850,000 



