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 — Eevolving nosepiece — 

 Davis's shutter — Drawing apparatus —The measurement of 

 objects — Micrometers — Troughs — Compressors — Stage 

 forceps — Eye-shade — Hints regarding the care of the inicro- 

 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 



PAET 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 — Mliller's fluid — Methylated 

 spirit — Decalcifying solution — corrosive sublimate — Picric 

 acid — Formaldehyde — General directions for hardening 

 tissues - 132-186 



LESSON II. 



EMBEDDING TISSUES AND SECTION-CUTTING. 



Cutting sections with a razor by hand — Embedding in paraf&n 

 wax and lard — Iniiltrating 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 



