CONTAGIOUS AXD EPIZOOTIC DISEASES. 49 



soda and potassa in excess. The lymphatic glands about the 

 throat are often manifestly enlarged. Swellings of the joints 

 may appear, or a murmur harsher than natural may be heard 

 over the lower end of the windpipe or in the chest. With 

 deposits in the abdomen, and especially in or near the ovaries 

 of cows, the desire for the male is often constant (bu/Iers), 

 though conception and the completion of gestation are usually 

 impossible. Working oxen are easily overdone and become 

 visibly emaciated from day to day. As the disease advances 

 the eyes sink in their sockets and lose all animation, the skin 

 is hidebound, harsh, dry, and scurfy, the hair dull, dry, and 

 erect, the membranes of the eyes, nose, and mouth of a pale 

 yellow, bloodless aspect, though often streaked with pink 

 vessels, a whitish discharge often takes place from the nose 

 and with it an increased repulsiveness and often distinct foetor 

 of the breath ; if the bowels are involved scouring is common, 

 and if the bones, swelling and lameness increase. Exhaustion 

 with profuse perspiration and laboured breathing occur on the 

 slightest exertion, the appetite fails, tympany follows each meal 

 and the milk is at once poorer and lessened in quantity. The 

 cough increases, becomes rattling, the discharge profuse, foetid, 

 mixed with cheesy-like or chalky particles, crepitating, wheezing, 

 gurgling, and other abnormal noises are heard in the chest, 

 and percussion shows dulness in particular parts, with wincing. 

 All of the symptoms become steadily aggravated, and the 

 animal usually perishes from the difficulty of respiration or the 

 profuse foetid diarrhoea. In cases affecting the bones, the 

 patient may be able to stand, and the bony prominences P">.ay 

 make their way through the skin or even crumble under the 

 pressure thrown upon them. If the tubercle is deposited in 

 the liver, pancreas, or kidneys, there are symptoms of disease 

 of these respective organs. 



Recoveries sometimes ensue in connection with healing 

 of vomicae or calcification of the tubeicles in strong sub- 



