2 20 THE FARM DOCTOR. 



matous growths which occur in dogs may be treated in the 

 same way. But when the large cauHflower-Uke masses are. 

 associated with hardening of the whole end of the organ, it 

 must be amputated behind the indurated portion. Tlie subject 

 should be prepared by laxative diet, and, having been thrown, 

 tlie yard is withdrawn, washed, and cut through gradually, 

 beginning at its upper part and tying the arteries as they are 

 reached. On reaching the urethra at the lower part of the 

 yard it is to be dissected out, and cut across so as to leave it f 

 of an inch longer than the rest. Considerable bleeding liom 

 the venous cavities may come on a few hours later, and especi- 

 ally in hot weather, but may be easily controlled by dashing 

 cold water between the thighs, or stuffing the sheath with tow 

 saturated with tincture of matico or muriate of iron. 



ULCERS OF THE PENI& 



These may arise from accumulation of sebaceous matter, but 

 more frequently from the irritant discharges in a female recently 

 delivered or suffering from leucorrhoea. They may be treated 

 with a lotion such as the following : — Sugar of lead, i dr. ; car- 

 bolic acid, 60 drops; chloral-hydrate, i dr.; water, 1 pint. 



CASTRATION OF MALES. 



Numerous modes of castrating the male are followed, but in 

 all the essential points are the removal or destmction of the 

 testicles and the prevention of bleeding from the spermatic 

 artery which is always found in the anterior portion of the cord. 

 In small animals (pigs, lambs, calves, dogs, cats), the testicle is 

 seized so as to render the skin tense, and a free incision with 

 knife parallel to the median line sets it free at once. The 

 knife is now passed between the middle and posterior parts of 

 the cord and the latter cut through. The anterior portion is 

 then twisted and finally torn through, the upper part being held 

 by the finger and thumb of one hand while traction is made by 



