148 



Fig. 12. — 1, backbone; 2, rectum or last gut; 3, broad ligament of 

 womb; 4, ovary or pride; 5, Fallopian tube; 6, vagina or first divi- 

 sion of womb; 7, os uteri or opening between the two parts of the 

 womb; 8, uterus or deep portion of womb; 9 and 10, horns of the 

 womb; 11, bladder; 12, pelvic bone. [Nos. in () refer to Fig. 12.] 



In order to understand how this niav occur the 

 reader who has no knowledge of the female generative 

 organs, is referred to the diagram Fig. 12. 



To exemplify one possible course the infecting agents 

 might take, we will sav : A cow Ijing in the stall has 

 the switch on the tail soiled in a manure trench, which 



