The MICROSCOPE 



AN INTRODUCTION TO MICROSCOPIC 

 METHODS AND TO HISTOLOGY 



BY SIMON HENRY GAGE 



PROFESSOR OF HISTOLOGY AND EMBRYOLOGY, EMERITUS 

 IN CORNELL UNIVERSITY 



Convex 



Lens 



MAGNIFIER 



Microscope 



Objective 



Ocular 



THIRTEENTH EDITION 

 Revised and Illustrated by over 250 Text Figures 



ITHACA, NEW YORK 

 THE COMSTOCK PUBLISHING COMPANY 



1920 



