304 DISEASES OF DOMESTICATED BIRDS 
Fic. 58. Instruments used in caponizing. (Slocum) 
leaving only a narrow rim. These two ends are held closely pressed 
together by means of a rubber band passing across the handles. In 
use, the ends of the forceps are separated, the solid one slipped under 
the testicle and the rim then allowed to settle down over it. The 
cord is thus caught and the testicle can be removed. Careless or too 
rapid use of this instrument is likely to cause slips. Figure 58, J and 
m, shows two additional types of testicle removers. The type shown 
in J has a curved handle which brings the hand out of the line of 
vision, making it easier to see into the body cavity when using the 
instrument. A knife for making the incision into the body cavity is, 
of course, necessary. Almost any sharp-pointed, thin-bladed knife 
will answer the purpose well (see Fig. 58, c). Some sort of spreader 
