CONTENTS. 



INTEODUOTORY 9 



CHAPTER I. 



ECTOZOA (Classification of the Common External Para- 



sites-Ectozoa) 12 



Branch Arthropoda 12 



Class Insecta (insect parasites) 12 



Order Diptera 12 



Order Siphonaptera 31 



Order Hemiptera 33 



Class Arachnida 45 



Order Acarina 45 



Order Linguatulidae 77 



Fungi 79 



CHAPTER n. 



ENTOZOA 83 



Branch Vermes 84 



Class Annelida 84 



Order Discophora 84 



Class ]!'Temathelmintha 84 



Order Nematoda 84, 89 



Family Filaridae 90 



Family Ascaridae 97 



Family Oxyuridae 105 



Family Strongylidae 151 



Family Trichotrachelidae 151 



Order Acanthocephala 84, 157 



Class Flathelmintha 87, 160 



Order Trematoda 160 



Family Fasciolidae 161 



Family Schistosomidae 169 



Family Paramphistomidae 84, 87, 168 



