3 66 



Diseases of the (Genital Orga?is 



many detached tails were present. The head stained as a 

 homogeneous mass instead of showing its component parts 

 as in the healthy cell. In this specimen of spermatozoa 

 there appeared to be a total absence of the nuclear mem- 

 brane, and in many cells the upper granules were missing. 

 There was an almost total disintegration or arrest in devel- 

 opment of the integral cellular elements — the nucleus and 



FlG. mi — Spermatozoa obtained from Bull No. 4. 



Taken 25 days after those shown i n Fig. 113, during which period the bull 



had complete sexual rest. Spermatozoa were still non-motile. 



hut showed better staining qualities. 



neck granule. On Dec. 5th, 1919, this bull was ordered 

 withdrawn from service. 



On Dec. 30th, after twenty-five days of complete sexual 

 rest, another sample (Fig. 114) was obtained, which 

 shown I a remarkable improvement in the staining qualities. 

 The cell was not normal, though the head stained much bet- 

 ter. The connecting piece appeared enlarged and was con- 

 torted by the presence of a much enlarged spiral filament. 



