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 .... 53 
LECTURE IV. 
A DROP OF WATER ON ITS TRAVELS 76 
LECTURE V. 
THE Two GREAT SCULPTORS WATER AND ICE . . . 103 
LECTURE VI. 
THE VOICES OF NATURE, AND HOW WE HEAR THEM' . . 129 
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