The General Infections of the Genital Organs of Cattle 37 1 



jecting into the cytoplasmic portion. Many of the cells ap- 

 peared about normal. Some of the cells were too large; 

 they might be termed megalocephalic. 



Bull 9, Fig. 118. Seven-year-old. Has served twenty- 

 seven cows — twenty-nine recorded copulations with eight 

 (29.6 per cent.) conceptions resulting. Physical examina- 

 tion revealed bilateral seminal vesiculitis. Ten to twelve 

 mils, of semen of normal appearance were obtained. It con- 

 tained numerous short-chained streptococci on smear. The 

 spermatozoa, all parts of which showed in clear detail, were 

 apparently normal. 



Fig. iiS — Spermatozoa from Bull No. 9. 

 Cells apparently normal, but semen contained short streptococci. 



Bull 10. Three-year-old. Has been in present herd two 

 and one-half years. Total number of cows served, fifty, 

 with ninety-one copulations resulting in thirty-four concep- 

 tions in twenty-nine cows (two conceptions each in five 

 cows), of which six aborted. Since October 22, 1919, there 

 have been eleven copulations with eight cows, and no concep- 



