24 



A MANUAL OF BACTERIOLOGY 



necessary. Figs. 5 and 6 represent various kinds of 

 scalpels, microscopic needles, knives, scissors, and 



FIG. 5. DISSECTING KNIVES AND NEEDLES. 

 A to F are used in microscopic dissections. 

 G to J are used in ordinary dissections. 



forceps ; and Fig. 7 illustrates a very useful form of 

 dissecting microscope. 



