CONTENTS 



CHAPTER I 



INTRODUCTION 



Classification of Animals. Geographical Distribution of 

 Animals. The Phylum Arthropoda and its Position. 

 Arthropoda in their General Relation to Human Pathology. 

 Classification of Arthropod Parasites and Carriers that 

 Affect Man ....... 



CHAPTER H 



THE CLASS INSECTA AND THE ORDER DIPTERA 



The Class Insecta : Classification of Insects. The Order 



Diptera : Classification of Diptera .... 23-45 



CHAPTER HI 



THE ORDER DIPTERA (continued) : NEMATOCERA : 

 BLOOD-SUCKING NEMATOCERA : CULICID^ 



Synopsis of Families of Nematocera. Culicidcp, General Struc- 

 ture, etc. Warfare against Mosquito-larvse. Defence 

 against Adult Mosquitoes. General Classification of 

 Culicidce. Subfamily Corethrince. Subfamily Culicincs . 46-63 



