CONTENTS

CHAPTER   PAGE
I.  The Louse (Pediculus) 1
II.  The Bed-Bug (Cimex lectularius) 23
III.  The Flea (Pulex irritans) 35
IV.  The Flour-Moth (Ephestia kühniella) 46
V.  Flies: The House-Fly (Musca domestica) 57
VI.  Flies: The Blue-Bottle (Calliphora erythrocephala) AND OTHERS 74
VII.  Mites: The Harvest-Mite (Trombidium) 87
VIII.  Mites: Endo-Parasitic Mites (Demodex, Sarcoptes) 97
IX.  Ticks: Argasidae, Ixodidae 112
X.  Leeches: The Medicinal Leech (Hirudo medicinalis) 123
XI.  Leeches: The Medicinal Leech (continued) 136
XII.  Leeches: Limnatis nilotica, Haemadipsa zeylanica 149
Index 163