FIG. 30. 



ANIMAL CASTRATION. 



117 



quently by another (Fig 30), of supe- 

 rior form and easier of application, and 

 now in general use ; second, a bistoury 

 cache (Fig. 31), sliding on its handles, 

 Fig. 31. 



BISTOURY CACH 



which is a true embiyotomy knife, mod- 

 ified by Colin (Fig. 32) ; third, a pair of 

 FIG. 32. 



COLIN 'S BISTOURY CACHE. 



long, sharp scissors (Fig. 33), with 

 guarded blades, curved on its flat sur- 

 face ; fourth, a torsion forceps (Fig. 34), 

 closed by a peculiar thread arrange- 

 ment, moved by the handle ; and fifth, 

 a steel thimble (Fig. 35), which has been modified 

 by the instrument shown in Fig. 36, and which 



MODIFIED 



VAGINAL 



SPECULUM. 



