TABLE OF CONTENTS. 
LECTURE I. 
TAGS 
THE FAIRY-LAND OF SCIENCE : HOW TO ENTER IT ; HOW TO 
USB IT; AND HOW TO ENJOY IT I 
LECTURE II. 
SUNBEAMS, AND THE WORK THEY DO 36 
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 .. .. 134 
