rr CONTENTS. 



ILLUMINATION OF TBANSPABENT OBJECTS. 



Direct and Reflected Light ; Axial or Central Light ; Oblique Light ; 

 The Achromatic Condenser; The Webster Condenser How to 

 Use; The Spot Lens ; The Parabolic Illuminator ; Polarized Light, 114 



How TO USE THE MICKOSCOPE. 



General Hints ; Simple Hand Magnifiers ; Compound Microscopes 

 Practical Notes on Illumination ; Monochromatic Light; Care of 

 the Microscope, --118 



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 Tollectiug Bottle ; Aquaria for Microscopic 

 Objects ; Dipping Tubes, 129 



THE PBEPABATION AND EXAMINATION OF OBJECTS. 



Cutting Thin Sections of Soft Substances; Sections of Wood and 

 Bone; Improved Section Cutter; Sections of Rock; Knives; 

 Scissors ; Needles ; Dissecting Pans and Dishes ; Dissecting Mi- 

 croscopes ; Separation ot Deposits from Liquids ; Preparing whole 

 Insects ; Feet, Eyes, Tongues, Wings, etc., of Insects ; Use of 

 Chemical Tests; Liquids for Moistening Objects; Refractive 

 Power of Liquids ; lod-Serum ; Artificial lod-Serum : Covers for 

 Keeping oui Dust ; Errors in Microscopic Observations, - - 139 



PRESEBVATIVE PBOCESSES. 



General Principles ; Preservative Media Canada Balsam, Solution 

 of Balsam, Colophony, Damar Medium, Glycerine. Glycerine Jelly, 

 Hantzsch's Fiuid, Glycerine and Gum, Deane's Gelatiue, Alcohol, 

 Thwaite's Fluid, Beale's Liquid, Goadby's Fluids, Pacini's Fluid, 

 Castor Oil ; General Rules lor Applying Preservative Fluids, - 152 



APPABATUS FOB MOUNTING OBJECTS. 



Slides; Covers; Cells; Turn-TablesPlain, Matthews, 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, - - 160 



CEMENTS AND VABNISHES. 



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, - - 171 



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; Pierce's 

 Cell ; Prof. Smith's Plan ; Deep Cement Cell, - - - 174 



FINISHING THE SLIDES. 



Covering with Paper ; Varnishing for Preservation ; Labeling ; The 

 Maltwood Finder, 179 



