CONTENTS. 
INTRODUCTORY 
soda adi Gastien Scena: be aed AHgeavigddcre. 9 
CHAPTER I. 
ECTOZOA (Classification of the Common External Para- 
sites-Ectozoa) ...................00. 12 
Branch Arthropoda .............0..0.00 0.0 cee ee 12 
Class Insecta (insect parasites) ................ « AQ 
Order Diptera. 0. sc ccc eescs tne cevepnkeaa a 12 
Order Siphonaptera ..................000000- 31 
Order Hemiptera ................0 cece cence 33 
Class Avachniday sie cSe adhe dingw a couldaatae vows 45 
Order ACaMiNg 2.2000 cmaun ced eee ae edges 45 
Order Linguatulidae ................0.00000. 17 
POG. eden oes By Eid WE eR ASE Pewee a EEE eee SE 79 
CHAPTER II. 
BNROZOAL & oa e.cus sce ag Sey aaa Pee eMagS Bede 83 
Branch. Vetmes: <3 wx +s sacs onges wears cone tan ae aes 84 
Class: AMMONIA: » cis dere cia: ack Sea dees Audis oe Bie acer Oa 84 
Order DistOphora- castianscrne ctuceseessnanis 84 
Class: Memathelmintha: soci ci icin aias ea Sass reds 6 oe 84 
Order Nematoda ¢.is dees neds cudere unions’ 84, 89 
Bamily Pilaridae: 2... scsed2 we ie ane ares ba ws 90 
Family Ascaridae ...........-...0-.0-055 97 
Family Oxyuridae .acscs20scencses peane 105 
Family Strongylidae ...................0.. 151 
Family Trichotrachelidae ................ 151 
Order Acanthocephala .................... 84, 157 
Class Flathelmintha, s.1 cscs cc wrens ee gee dennes 87, 160 
Order Treniatoda@ -sci0 ca ee.se eds ce den cagag say 160 
Family Fasciolidae .............--...00.. 161 
Family Schistosomidae ..............-... 169 
Family Paramphistomidae ......... 84, 87, 168 
