cow, HEIFER AND CALF SPAYING 159 



make downward and forward pressure sufficient to stretch the walls of the 

 vagina taut. 



7. Unguard the hlade of the knife and thrust it through the vaginal 

 roof, including the peritoneum, after which re-guard the l)lade aud drop 

 the knife on tlie floor of the vagina. 



Fig. 14.5 — Hair clipper. 



8. With the index and second hnger enlarge tlie perforation by stretch- 

 ing and tearing until the whole hand can be tlirust into the abdominal 

 cavity. 



0. With the left luii)d ])ass the ecraseiii- into the vagina, where its chain 



Fig. 146 — Curved head spaying emasciilator. 



is grasped with the right hand and carried into the abdominal ca\'ity. One 

 of the ovaries is now located, the chain loop placed al)ove it, aud by ratch- 

 et movement of the handle the chain loop is closed and the ovary's attach- 

 ment severed. The opposite one is removed in like manner, and both are 



