CHAPTER IV. 



Diseases Common to the Reproductive 

 Organs 



Diagram of teat and one quarter of udder. 

 s, sphincter muscle; t, teat; r, milk resei-voir; d, the duct; o, opening of 

 a duct; 1, lobe; 1', a lobule lined by c, epithelium; f, folds of mucous mem- 

 brane. 



