26 CAPONS FOR PROFIT. 
wide end, and tapering to less than one eighth of 
aninch. It is closed at the small end, with the ex- 
ception of two holes large enongh to admit a horse- 
C SS 
Fie. 9. Dow’s Horse HAIR CANULA. 
hair or a small steel wire. Horse hair works well in 
ordinary cases, and when one breaks another is 
soon inserted, so that it forms a loop of proper size 
at the small end of the canula. Occasionally the 
testicle is of such a shape or in such a position that 
all the beginner’s efforts to slip the hair over the 
testicle and between it and the artery remain futile. 
In that case I would try wire in place of the horse- 
hair. Wire, being stiff and unyielding, is easily 
pushed over and around the organ, and the latter 
taken away, especially if you use the wire canula 
illustrated in Fig. 10. This I got in the set from 
an 
Fig. 10. PiuLina’s WIRE CANULA, 
Geo. P Pilling & Son, Philadelphia, Pa. I think 
it is well enough to have a canula of this kind on 
hand, especially if you operate on Brahmas, etc. 
Still, the other canula will do in an emergency. 
Of other requisites you will need a sponge or piece 
of sponge, and a few cents’ worth of carbolic acid. 
Also keep a few hairs out of a horse tail on hand. 
That is about all. 
Once more let me say, don’t try to get along with 
clumsy imitations and substitutes. For good work, 
and satisfactory work, you need good tools. If you 
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