TABLE OF CONTENTS. 



PAGE 



Inteoduction ........ 7 



Mosquitoes and Malakia ...... 8 



Mosquitoes and Yellow Fevee . . . . .18 



Mosquitoes and Filaeiasis ...... 20 



Fishes that Feed upon the Laevae of Mosquitoes . 21 



Tsetse-Flies and Teypanosomiasis .... 22 



Tabanid Flies and " Calabae Swellings " . . . 26 



House-Flies and Intestinal Diseases .... 27 



Sheep Bot-Fly ........ 31 



Fleas and Plague ....... 32 



Bed-Bugs and Disease ...... 37 



Lice and Disease ....... 38 



Ticks and Disease ....... 40 



