x Contents 



PAGES 



denser Choice of a condenser Spot lens and para- 

 boloid The polariscope Selenites Selenite stages The 

 bull's-eye condenser Parabolic reflector The vertical 

 illuminator - 84-106 



CHAPTEE IV. 



ACCESSORY APPARATUS. 



Oil lamps, electric lamps, gas lamps Revolving nosepiece 

 Davis's shutter Drawing apparatus The measurement of 

 objects Micrometers Troughs Compressors Stage 

 forceps Eye-shade Hints regarding the care of the micro- 

 scope Text-books recommended - 107-123 



APPENDIX. 



A short note concerning the influence of diffraction on the 

 resolving power of microscopical objectives, and upon the 

 apparent colour of microscopical objects, by Dr. G. John- 

 stone Stoney 124-126 



PAKT II. 



INTRODUCTION - - 127 



List of tissues and organs, and the most suitable hardening, 



staining, and mounting reagents - 128-131 



LESSON I. 



HARDENING AND PRESERVING ANIMAL TISSUES FOR MICRO- 

 SCOPICAL EXAMINATION. 



Absolute alcohol Chromic acid and spirit Potassium bichro- 

 mate Ammonium bichromate Miiller's fluid Methylated 

 spirit Decalcifying solution corrosive sublimate Picric 

 acid Formaldehyde General directions for hardening 

 tissues - - 132-136 



LESSON II. 



EMBEDDING TISSUES AND SECTION-CUTTING. 



Cutting sections with a razor by hand Embedding in paraffin 

 wax and lard Infiltrating a tissue with paraffin Embedding 

 bath Cole's microtome and embedding in carrot Cathcart's 

 microtome for freezing Embedding in celloidin Embedding 

 in gelatine Cambridge rocking microtome - 136-145 



