CONTENTS. 
CHAPTER I. 
GLIDING. PAGE 
Resistance of Air—Lift and Drift—Curve of tgccts a 
of Supporting Surface 1 
CHAPTER Ii. 
STABILITY. 
Centre of Gravity—Points that make for Automatic pincers: 
—Voluntary Adjustments 23 
CHAPTER III. 
Motive Power. 
Leverage—Propulsion—Phases of the Wing-stroke 38 
CHAPTER IV. 
STARTING. 
The Preliminary J ump—Loss of Altitude between Wing- 
strokes—The Wing’s Freedom to ee SRT 
—Muscles—Big Birds and Small ; = 48 
CHAPTER V. 
/ STEERING. 
A Variety of Methods—Good Steerers and Bad 59 
CHAPTER VI. 
STOPPING AND ALIGHTING 
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64 
