s 
TABLE OF CONTENTS. 
LECTURE I. 
PAGE 
THE FAIRY-LAND OF SCIENCE : HOW TO ENTER IT ; HOW TO 
USE IT; AND HOW TO ENJOY IT I 
LECTURE II. 
SUNBEAMS, AND THE WORK THEY DO 26 
LECTURE III. 
THE AERIAL OCEAN IN WHICH WE LIVE .. .. 50 
LECTURE IV. 
A DROP OF WATER ON ITS TRAVELS 73 
LECTURE -V. 
THE Two GREAT SCULPTORS WATER AND ICE 99 
LECTURE VI. 
THE VOICES OF NATURE, AND HOW WE HEAR THEM .. .. 124 
