This work provides useful information on House flies. It covers aspects of their biology, natural history and most importantly their habit, which confers them their medical importance. Those wishing to acquire a general knowledge of this very important two-winged fly will find this book of particular interest. It also promises to be of help to health workers, schools of health and individuals interested in personal and public hygiene. Cafes, restaurants and students interested in the prevention of Housefly-borne diseases and improvement of sanitary conditions of their surroundings will also find the book useful.