Departjient of Agriculture, 



Washington, March 21, 1916. 

 This volume is a revision of tlie Special Report on Diseases of 

 Cattle, prepared in compliance with House Concurrent Resolution 

 No. 14, passed February 3, 1916, as follows : 



Resolved hy the House oi Representatives (the Sen-ate concurring) . That 

 there be printed and bound in cloth one hundred thousand copies of the Special 

 Repcjrt on Diseases of Cattle, the same to be first revised and brought to date, 

 under the supervision nt the Secretary of Agriculture, seventy thousand copies 

 for the use of the House of Representatives and thirty thousand copies for use 

 of the Senate. 



Since its original publication by the Department in 1892, several 

 editions have been authorized by Congress. It was reprinted in 

 1896, and revised and reprinted in 1904, 1908, and 1912. In accord- 

 ance with the above-mentioned resolution it again has been revised 

 so as to embody the latest practical development of knowledge of 

 the subject. 



D. F. Houston, 



Sccrcfai'i/. 



