6S4 



LAJ30RATORY EXERCISES 



ing microtome (Fig. 230); (3) by the rotary microtome, the material having been 

 imbedded in paraffin. If desirable, the material to be cut on the sliding microtome 



can be prepared by the celloidin method. Where the sections to be made are of 

 woody material they can be cut directly on the sliding microtome, and the sections^ 



