CONTENTS. 



PAGE. 



PREFACE, - 3 



DESCRIPTION OF PLATES, - 7-10 



CHAPTER I. 

 INTRODUCTORY AND HISTORICAL, - 11 



CHAPTER II. 

 PREPARATIONS FOR WORK, - 17 



CHAPTER III. % 



OPTICAL APPARATUS, 22 



CHAPTER IV. 

 OPTICAL APPARATUS CONTINUED, - 33 



CHAPTER V. 

 ILLUMINATION. 



CHAPTER VI. 



PHOTO-MlCROGRAPHIC APPARATUS, - - 47 



CHAPTER VII. 

 REQUISITES FOR PHOTOGRAPHY, - 55 



CHAPTER VIII. 

 SOLUTIONS FOR PHOTOGRAPHIC OPERATIONS, - 61 



CHAPTER IX. 

 ON THE SELECTION OF PLATES, 



CHAPTER X. 

 THE CONDENSER AND BULL'S-EYE THEIR USE AND ABUSE, - 69 



CHAPTER XI. 

 THE USE OF THE EYE-PIECE OR OCULAR STOPS REFLECTIONS, 



CHAPTER XII. 



7Q 



PROGRESSIVE EXAMPLES, 



