avery's own farrier. 93 



Youatt, who is good authority, says the operator 

 should catch the blood in some vessel for that purpose, 

 in order to be able to judge as to its quantity and quali- 

 ty. If after it has coagulated, a light buff colored jelly 

 forms on the surface, and the crassamentum or coagu- 

 lated lymph is of a dark brown color, instead of red, it 

 is an evidence of the inflammatory state of the blood, 

 which warrants a second bleeding, after a sufficient time 

 to know that the first did not have the desired effect. 

 Blood drawn from a healthy horse very soon coagulates 

 and appears like uniformly red jelly, with a small quan- 

 tity of fluid resembling water floating on the surface 

 that consists of two parts — the red jelly, termed crassa- 

 mentum, and the water or serum. " The former may be 

 separated into two parts, by washing the red globules, 

 and the coagulated lymph, although this may not always 

 be a certain criterion to go by." In extreme cases of 

 inflammation, the state of the pulse should be carefully 

 regarded during the operation of bleeding; the most ex- 

 perienced can not tell what quantity of blood to take to 

 produce the desired effect; the change of the pulse alone 

 will indicate when the object is accomplished. The 

 operator should have his finger on the artery during the 

 act or time of bleeding, and, comparatively regardless 

 of quantity, continue to take blood until (in inflamma- 

 tion of the lungs) the oppressed pulse becomes more 

 distinct. 



For local bleeding, the operation is simple, and yet 

 requires to be done with equal nicety and skill; for it is 

 generally to be performed with a lancet, or sharp pointed 

 knife, the use of which is even more difficult than that 



