Animal Castration 



159 



2. Withdraw the hand, and with Colin 's scalpel reenter the 

 vagina. 



Fig. 133 — Williams' Spaying Speculum, Showing Hand and Knife in Position for Makin§ 



the Vaginal Incision. 



Fig. 134 — Paseley's Spaying Speculum, Showing Position of Hand and Knife for Making 



the Vaginal Incision. 



3. With left hand elevate handle of speculum and make suffi- 

 cient pressure downwards and forwards to stretch the roof of the 

 vagina. 



4. With blade guarded it is pressed against the roof of the 

 vagina directly over the cervix. 



