INCISIONS. 



129 



Figs. 156, 157, 157a.— Bistoury held as a Bow of a Violin. 



3d. The bistoury can be held as a table knife. The thumb 

 and the medius being placed on opposite sides, at the junction of 

 the blade and the handle, the index restiag upon the back of the 



FIGS. 158, 159.— Bistoury held as a Table Knife. 



blade, the other fingers holding the handle ia the hoUow of the 

 hand. As in the preceding positions, the edges of the blade may 

 be either turned downward or upward. 



Whatever position may be given to the instrument, it is to be 

 held firmly, and with a steady hand. Sage knives are generally 

 held by grasping the handle full in the hand, or, as when holding 

 a bistoury as a table knife, sometimes with one hand only, and at 

 others with both, according to the indications and the amount of 

 firmness and steadiness required. The manner of holding 

 scissors is already known. The only variation likely to be found 



