

CONTENTS, 



CHAPTER J. 



PAGE 

 A HA.LF-HOI7JI ON THE STRUCTURE OF THE MICROSCOPE 1 



CHAPTER II. 



A HALF-HOUR WITH THE MICROSCOPE IN THE GARDEN 30 



CHAPTER III. 



A HALF-HOUR WITH THE MICROSCOPE IN THE COUNTRY 47 



CHAPTER IV. 



A HALF-HOUR WITH THE MICROSCOPE AT THE POND- SIDE $6 % 



CHAPTER Y. 



A HALF-HOUR WITH THE MISCROSCOPE AT THE SEA-SIDE 6? , 



CHAPTER VI. 



A IIALT-.HOUR WITH THE MICROSCOPE IN-DOORS 78 



CHAPTER VII. 



A HAIF-HOUR WITH POLARIZED LIGHT 



APPENDIX. 



THE PREPARATION AND MOUNTING OF OLJECTS 



I 2 



