Grayiular Venereal Disease of Cows 1093 



INFECTIOUS VAGINAL CATARRH OF COWS. 



Photo- Micrographs after Thorns, from the Monatshefte fiir Praktische 

 Tierheilkunde, Vol. 17. P 25. 



PLATE I. 



Fig. I. Section from the left side of the vestibule of the vagina showing 

 an elevation in the mucosa due to a single follicle. 



Fig. 2. Seciion through 4 contiguous follicles which cause a single, 

 rather flat elevation of the surface. 



PLATE II. 



Fig. 3. A Knob-like elevation of the mucosa due to several contiguous 

 follicles. 



Fig. 4. A section from roof of the vagina, showing marked follicle-form- 

 ation without macroscopically visible elevation of the mucosa. 



