CONTENTS ix 



PAGE 



Other Tapeworms (Class Cestoda). (Exercise 35.) 63 



Larval Forms of Tapeworms. (Exercise 36a.) 63 



Helminth Ova. (Exercise 360.) 65 



Insect Larvae (To Distinguish from Worms). (Exercise 37.) 65 



Anthehnintics. (Exercise 38.) 66 



PART III 



LIFE HISTORY STUDIES ON LIVING PARASITES 



Introduction: How to Proceed 69 



Life History of the common Housefly. (Exercise 39.) 70 



Life History of the Mosquito. (Exercise 40.) 71 



Life History of a Flea. (Exercise 41.) 72 



