RESPIRATION. IS^ 



'' QuiTTOR Syringe, with Rings. To be used with one Hand." 



Kabies. — (See Hydrophobia.) 



Rachitis. — A disease of the bones of young animals, 

 due to a deficiency of earthy matter, (lime,) which causes 

 the bones to yield, being too soft. In colts of the first 

 year, some Avill be observed to stand so close at the knees^ 

 that one joint touches the other, which gives the fore legs 

 a curious looking twist, with the feet turned out, and the 

 knees bent in. Colts so affected soon get well when they 

 are supplied with good, nutritious food, in which the 

 phosjihate of lime predominates. Kachitis, (pronounced 

 racketis,) in old horses, is seldom seen ; and when it is, it 

 is in the bones of the back or lumbar vertebrae, is char- 

 acterized by swellings of an irregular kind, with water 

 oozing from them, and is called hydro-rachitis or 

 spina-bifida. Horses so affected are not fit for work with 

 weight upon the back. (See Deformities.) 



Resolution. — This is the most favorable termination of 

 inflammation, and leaves the inflamed part in the same 

 state or condition in which it was before it was attacked. 



Respiration. — The alternate inspiration and expiration 

 of air, performed for the purpose of exchanging the 

 hydrogen and carbon for oxygen. The air being brought 

 in contact with the blood, as it circulates through the 

 lungs, the oxygen unites with it, and the nitrogen and 

 carbonic acid gas is returned by expiration. The oxygen 

 and some of the inhaled air is united in the lungs with 



