CONTENTS 



CHAPTER I 



PA(iE 



INTRODUCTORY . . 1 



CHAPTER II 



THE STRUCTURE OF THE Bonv-LousE . . .11 



CHAPTER III 



THE LIFE-HISTORY AND HABITS OF THE BODY-LOUSE . 21 



CHAPTER IV 



THE DISSEMINATION OF THE Boov-LousE AND LOUSINESS . 34> 



CHAPTER V 



DlSINFESTATION . . . . . .44 



CHAPTER VI 



THE HEAD-LOUSK (PsmcuLUS C'APITIS) . . .69 



CHAPTER VII 



THE CRAB-LOUSE (PHTHIRUS PUBis) . . .76 



