14 CONTENTS, 



CHAPTER VI. 



Page 



A Description of the Achromatic Microscope, together with 

 its Apparatus, and the mode of using it : 



Round Stand Microscope Solid Tripod-stand Microscope 

 On selecting Magnifying Powers Candle- holder, Shade, and 

 Condenser Spring Double-Stage Moveable Stages Spring 

 Phial-Holder Polarizing Microscope Apparatus for Dis- 

 secting Simple Lenses mounted in imitation of Achromatics 

 Garden Clamp for the Microscope Steadying Rods Camera 

 Lucida, for Drawing Micrometer Eye-pieces Method of 

 Viewing Moveable Fluids in the Cavities of Crystals Concave 

 Specula, Silver Cups, &c. Stops, or Diaphragms On View- 

 ing Transparent Objects by Daylight On Viewing Bodies by 

 Intermitting Light Black Ground Illumination for Transpa- 

 rent Objects On Viewing Opaque Bodies by Oblique Reflected 

 Light Method of determining the Forms of Minute Bodies 

 On Viewing the Currents in Fluids during Evaporation 85 



CHAPTER VII. 



Practical Remarks on Microscopes for viewing and drawing 

 Aquatic Larvae, &c. By C. R. Goring, M.D 146 



CHAPTER VIII. 



Whether there is a best possible way of constructing the 

 Stand, or Mounting, &c. of Microscopes (the specific 

 purpose or purposes to which they are to be applied 

 being first determined) By C. R. Goring, M.D 150 



CHAPTER IX. 



Description of Dr. Goring' s Operative Aplanatic Engiscope 168 



