636 DISEASES OF THE BLADDER, ETC. 



animal's back, I cannot say that it did mucli good, as it caused 

 some uneasiness, and had to be withdrawn. 



In the case which ended fatally the penis was so swollen 

 and indurated that it was impossible to draw it from the sheath, 

 and a long incision had to be made through the integuments, 

 immediately below the ischial arch, and the parts amputated 

 through the opening thus made. 



In some cases, the flow of urine becomes arrested after the 

 parts have healed up, the process of cicatrisation corrugating the 

 urethral opening ; and in such it has been found necessary to 

 divide the condensed cicatrix. 



This condition only arose in one of my patients, and he, 

 being old, was not submitted to this procedure. M. Barthelmy, 

 in a paper upon this subject, read before the Eoyal French 

 Academy of Medicine, thus concludes : — " 1st. That amputation 

 of the penis may be performed on the gelding without any 

 apprehension from haemorrhage ; 2d. That to avoid any 

 obstruction of the urethra, a pipe should be placed in the canal, 

 and, by rings afi&xed to it, sustained therein for at least two 

 months." 



HYDROCELE, OR DROPSY OF THE SCROTUM, 



Is a very rare disease in this country. Occasionally a gush of 

 serum issues from the scrotum during castration, but it is of no 

 consequence. 



DISEASES OF THE VAGINA AND MAMMARY GLAND. 



Vaginitis, or infiammation of the vagina, except as a compli- 

 cation of catarrhal influenza, or a result of difficult parturition, 

 is almost an unknown disease. This arises from the fact that 

 the female organs of generation remain in a state of inactivity 

 during the greater part of the year, and is in accordance with 

 the general law which exempts from disease those parts whose 

 functions are rarely called into action. 



Vaginitis, unless it result from the violence employed in 

 delivering the mare of her young, or inflicted during the act of 

 coition, or injury otherwise done, is merely characterised by a 

 discharge from tlie vulva of a greyish-white mucus, which soon 

 changes to a yellowish- white purulent-louking material. The 



