The General Infections of the Genital Organs of Cattle 369 



tion was clearly defined. The neck granule was either ab- 

 sent or very small and stained faintly. 



Bull 5, Fig. 115. Eighteen months old. Served twelve 

 cows, with but one conception. The seminal vesicles ap- 

 peared slightly arrested in development and the left gland 

 was inflamed. Four to seven mils, of seminal fluid were ob- 

 tained, containing motile atypical spermatozoa. The head 



Fig. 117. Spermatozoa from Bull No. 8. 



Cells show degeneration, as indicated by want of definition of the nucleus. 



Some cells are abnormally large. 



was narrower than normal and the nucleus constricted, 

 causing a marked decrease, not only in the breadth, but in 

 the total volume of the cell. The component parts were clear 

 in detail, but arrested in development. Streptococcus viri- 

 dans and staphylococcus albus and aureus appeared in cul- 

 ture from this sample. 



Bull 1. Imported. About five years old. Served seven 

 heifers, one or two of them twice, with no conceptions. All 

 seven conceived from first service by another bull. 



24 



