CONTENTS 



PAGE 



Introduction. . xi 



PART I 



MEDICAL ENTOMOLOGY 



Insects and Disease. (Discussion.) I 



A Study of Insect Mouthparts. (Exercise i.) 8 



A. Orthopteron type. 



B. Hymenopteron type. 



Insect Mouthparts (cont.). (Exercise 2.) 10 



C. Hemipteron type. 



D. Lepidopteron type. 



E. Dipteron type. 



a. First subtype, the Mosquito. 



Insect Mouthparts (cont.). (Exercise 3.) n 



F. Dipteron type (cont.). 



b. Second subtype, the Horsefly. 



c. Third subtype, the Stablefly. 



d. Fourth subtype, the Housefly. 



Internal Anatomy of an Insect. (Exercise 4.) '. . 13 



Comparative Study of the Biting and Sucking Lice. (Exercise 5.) .... 14 



Biting Lice (Order Mallophaga). Anatomical Study. (Exercise 6a.) .. 15 



Biting Lice (Order Mallophaga). Systematic Study. (Exercise 6b.) .. 16 

 The Sucking Lice of Mammals (Family Pediculidae). Anatomical 



Study. (Exercise ya.) 16 



The Sucking Lice (Family Pediculidae). Systematic Study. (Exer- 

 cise yb.) 17 



The Bedbug (Family Acanthiidae). (Exercise 8a.) 18 



The Cone-noses (Family Reduviidae). (Exercise 8b.) 18 



The Mosquitos (Family Culicidas). (Exercise 9.) 19 



The Buffalo Gnats (Family Simuliidae). (Exercise loa.) 21 



The Horseflies (Family Tabanidae). Anatomical Study. (Exercise lob.) 21 



The Horseflies (Family Tabanidae). Systematic Study. (Exercise IDC.) 22 

 The Housefly and the Stablefly (Family Muscidae). A Comparative 



Study. (Exercise n.) 22 



vii 



