CASTRATION OP THE STALLION 



25 



probably the most satisfactory ones for performing tliis operation. Robin- 

 son s Ivnife is the author's favorite. 



I The extremely sharp point, sliort cutting surface and roughened handle 

 of the Robinson knife are its meritorious features. The author's modifica- 

 tion of the Williams castrating knife makes .c a desirable instrument for 

 castrating in the standing posture. It will be observed, by comparing this 



Fig. 16 — Spermatic cord and its coverings severed with the emasculator. 

 I. Body of epididymis; .J. tunica vaginalis; K, incised portion 

 of tunica vaginalis retracted on cord; L. spermatic cord. 



knife with the original Williams' (Fig. 2), that the "belly" has been 

 ground out and the point sharpened in order to facilitate thrusting it into 

 the testicle. 



Anatomy — See page 17. 



Warning — Before undertaking to operate take time and precaution to 

 satisfy yourself on the following jDoints : 



