CHAPTER IV.
PRACTICAL MICROSCOPY--MANIPULATION--MODE OF EMPLOYING THE MICROSCOPE--WORKING ACCESSORIES--METHODS OF PREPARING, HARDENING, STAINING, AND SECTION CUTTING--CUTTING HARD STRUCTURES--INJECTING APPARATUS, MATERIAL, ETC., EMPLOYED IN BACTERIOLOGICAL INVESTIGATIONS--WARM CHAMBERS AND INCUBATORS--PREPARING, MOUNTING, CEMENTING, AND COLLECTING OBJECTS 258