CONTENTS 



CHAPTER I. 



PAfiE 



Outline of Life-History ; Relations of Chironomus 



TO OTHER DiPTEKA I 



CHAPTER II. 

 The Larva of Chironomus 25 



CHAPTER in. 

 The Fly of Chironomus 88 



CHAPTER IV. 

 Development of the Pupa and Fly within the Larva 118 



CHAPTER V. 

 The Pupa of Chironomus 138 



CHAPTER VI. 

 The Embryonic Development of Chironomus . . .153 



APPENDIX. Methods of Anatomical and Histological 



Investigation 177 



Additional Note on the Swarming and Buzzing of 



Harlequin-flies 183 



BIBLIOGRAPHY 185 



INDEX 193 



