62 AXI.MAL CASTRATUIN 



up the inguinal canal, at tlie same time making a tliorougii seai-eli foi' the 

 tunica vaginalis containing the spermatic cord and sometimes the 

 epididymis. As soon as tlie tunic is encountered, examine it carefully in 

 order that no mistake in diagnosis be made. AVhen satisfied that you are 

 in possession of the tunica vaginalis, pass the hooked knife up the canal 

 sufficiently high to nick tlie tunic and allow its contents— be what they 

 may— to escape into the inguinal canal. You are now in possession of the 



Fig. ."lO — Intra-inguinal cryptorcliid (Bayer). A. Testes Inside tlie abdominal 

 cavity; B, B. internal abdominal wall; C. spermatic cord inside the inguinal canal; 

 D, tunica vaginalis; E B, dotted lines indicate outlines ot spermatic cord; F, in- 

 ternal abdominal ring; G, inguinal canal. 



spermatic cord and are justified in applying a limited amount of traction 

 in an effort to bring the testicle from the abdominal cavity through the 

 internal abdominal ring into the inguinal canal. If successfid, all that 

 remains to be done is to sever the spermatic cord with the ecraseur and 

 allow the animal to rise to his feet. Oftentimes the amount of traction 

 wiiich can safelj' be applied to the cord will not suffice to bring the testicle 



