cow, HEIPEK AND CALF SPAYING 



165 



3. Beginning 2 inches below the transverse process of the lumbar ver- 

 tebrae, a slightly diagonal incision, three and one-half inches long, should 

 be made through the skin only. The exact site of this incision is througfc 

 the middle of the triangle between the external angle of the ilium and the 

 posterior border of the last rib. (See L, Figs. 153 and F, 154.) 



4. In the center of this skin incision the knife point should be thrust 

 through the abdominal wall, making a perforation large enough to admit 



Fig. 156 — The skin incision closed by three interrupted sutures; N, heavy silk or 

 linen sutures; O, lips of the incision accurately approximated. 



one linger only. The knife is now put aside, as there is no further use 

 for it. 



5. One finger of the operating hand is thrust through the perforation 

 in the abdominal wall, and by stretching the wound, two fingers are ad- 

 mitted — index fingers of each hand. With these two fingers the muscular 

 fibers are torn apart sufficiently to admit the whole hand. 



6. "With the left hand inside the abdominal cavity the body of the 



