282 CANINE AND FELINE SURGERY 



so distended that it presented a corkscrew-like appearance. The left 

 testicle was undeveloped, and only weighed 2 drachms. 



Mr. Pauer considered that the pain caused when pressure such as is 

 caused during the act of defjecation was put upon the diseased testicle 

 had been the original cause of the dilatation of the rectum, the dog 



RiGjht testicle] 



normally placed 



in the scrotum] 



Fig. 178.— Anatomical Arrangement of the Testicles in a Cryptorchid 

 Dog (Fox-terrier). 1 



avoiding the attempt to pass a motion as long as possible, and thus 

 causing the rectum to enlarge. 



Another instance is reported on p. 286 (Torsion of the Cord). 



Operation. — The necessity for operation may arise from 

 the wandering habits of the dog, or perhaps from a dis- 



1 For this photograph and dissection I am indebted to Professor 

 Dunstan, F.R.C.V.S., F.R.S.E. 



