CONTENTS. V 



CARE OF THE MICROSCOPE. 



Should bo Kept .Covered; Care of Objectives; Precautions to be 

 Used when Corrosive Vapors and Liquids are Employed; To 

 Protect the Objectives from Vapors which Corrode Glass ; Clean- 

 ing the Objectives ; Cleaning the Brass Work, - - 175 



COLLECTING OBJECTS. 



Where to Find Objects ; What to Look for ; How to Capture Them ; 

 Nets; Bottle-Holders; Spoons; Collecting Walking Cane; Water 

 Strainer ; Wright's Collecting Bottle ; Aquaria for Microscopic 

 Objects; Dipping Tubes, - - 177 



THE PREPARATION AND EXAMINATION or OBJECTS. 



Cutting Thin Sections of Soft Substances ; Valentine's Knife ; Sec- 

 tions of Wood and Bone ; Improved Section Cutter ; Sections of 

 Rock ; Knives ; Scissors ; Needles ; Dissecting Pans and Dishes ; 

 Dissecting Microscopes ; Separation of Deposits from Liquids ; 

 Preparing Whole Insects ; Feet, Eyes, Tongues, Wings, etc., of 

 Insects ; Use of Chemical Tests ; Liquids for Moistening Objects ; 

 Refractive Powers of Different Liquids ; lod-Serum ; Artificial 

 lod-Serum; Covers for Keeping out Dust; Errors in Microscopic 

 Observations, - 187 



PRESERVATIVE PROCESSES. 



General Principles ; Preservative Media Canada Balsam, Solution 

 of Balsam, Colophony, Damar Medium. Glycerine, Glycerine 

 Jelly, Hantzsch's Fluid, Glycerine and Gum, Deane's Gelatine, 

 Alcohol, Thwaite's Fluid, Beale's Liquid, Goadby's Fluids, Pa- 

 cini's Fluid, Castor Oil ; General Rules for Applying Preservative 

 Fluids, - - ids 



APPARATUS FOR MOUNTING OBJECTS. 



Slides; Covers; Cells; Turn-TablesPlain, Matthew's, Kinne's, 

 Cox's; Cards for Making Cells; Hot-Plate; Lamps; Retort 

 Stand; Centering Cards; Mounting Needles; Cover Forceps; 

 Slide Holder ; Water Bath ; Simple Form of Spring Clip, - 206 



CEMENTS AND VARNISHES. 



General Rules for Using; Gold Size, Black Japan, Brunswick 

 Black, Shellac, Bell's Cement, Sealing Wax Varnish, Colored 

 Shellac, Damar Cement, Marine Glue, Liquid Glue, Dextrine, 221 

 MOUNTING OBJECTS. 



Mounting Transparent Objects Dry ; Mounting in Balsam ; Mount- 

 ing in Liquids ; Mounting of Whole Insects ; How to Get Rid of 

 Air-Bubbles ; Mounting Opaque Objects ; Wooden Cells ; Leather 

 Discs ; Pierce's Cell ; Prof. Smith's Wax Cell ; Deep Cement Cell, 224 

 FINISHING THE SLIDES. 



Covering with Paper; Varnishing for Preservation; Labeling; 

 The Maltwood Finder, - ----- 229 



