CONTENTS 



CHAPTER PAGE 



I. INTRODUCTION I 



II. FORM, GROWTH AND CHANGE 5 



III. THE OPEN TYPE OF WING-GROWTH 67 



IV. THE HIDDEN TYPE OF WING-GROWTH 98 

 V. SOME WINGLESS INSECTS - 155 



VI. THE CLASS AND ORDERS OF INSECTS - 174 



VII. GROWING INSECTS AND THEIR SURROUNDINGS - l88 



VIII. THE PROBLEMS OF TRANSFORMATION - 244 



INDEX - 273 



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