LIST OF ILLUSTRATIONS. 



FIG. c PAGE 



1. — Organisms of Malaria ...... 11 



2. — Eesting Attitudes of Anopheline and Culicine Mosquitoes 13 



3. — A Mosquito, Anopheles maculipennis ; Carrier of Malaria 15 



4. — A Mosquito, Stegomyia fasciata ; Carrier of Yellow Fever 19 



5. — Organisms of Sleeping Sickness .... 23 



6. — A Tsetse-Fly, Glossina palixtUs ; Carrier of Sleeping 



Sickness . . . , . . . . . 25 



7.- — Organisms of Typhoid Fever ..... 28 



8. — -House-Fly, Musca domestica ; Carrier of Various 



Intestinal Diseases ...... 29 



9. — ^A Eat-Flea, Xcnopsylla cheopis ; Carrier of Plague . 33 



10. — Organisms of Plague ...... 34 



11. — Bed-Bug, Clinocoris lectularius .... 37 



12. — ^Clothes-Louse, Pediculus humayius ; Carrier of Typhus 



Fever 39 



13. — Organisms of Eelapsing Fever . . '. . .41 



14.— A Tick, OrnitJiodows moubafa ; Carrier of African 



Eelapsing Fever ...... 42 



