EMBRYOTOMY. 



537 



times required to be made, and it is found to be no easy matter — wiiii 

 the larger bones especially. For this purpose chisels, saws, and forceps 

 have been proposed and employed. Cartwright has a model of an instru- 

 ment for slitting up the skin of a limb, which may, on occasions, be made 

 useful as a bone-chisel. Including the handle, it is about thirty-two 



« 



inches in length ; the chisel portion is a little more than two inches long, 

 and one or one and a half inch broad ; only the middle portion at the end 

 is sharp, the two corners, which project a little, being blunt and rounded, 

 as are also the sides (Fig. 193). 



