ANIMAL CASTR.lTIOiJ. 



41 



signed to receive the twine, which is part of the ap- 

 pliance. Before being used they are tightly tied 

 together at one end, in such a manner that they 



Fia. 10. 



ORDINARY CLAMP. 



INTERNAL PACE OF CLAMPS. 



spring open if closed. This point is one of the first 

 importance. It requires considerable exercise of 

 strength to place them tightly enough on the cord 

 they are to hold, biit this firm juxtaposition, so ob- 

 tained, facilitates their removal, when that is required. 

 The groove which they carry on their flat surface 

 is sometimes filled with some merely lubricating 

 greasy substance, usually simple ointment, fresh 

 lard, butter, or cream, though some veterinarians 

 use a caustic paste. This last mode of proceeding 

 is strongly opposed by some authorities, as likely to 

 induce unnecessary inflammatory action, through 



