CONTENTS 



I. Introduction 3 



II. Geographical Distribution of the House Mouse ... 4 



III. Antiquity of the Fancy Mouse 7 



IV. Unit-Characters (Gene Mutations) of the House Mouse 19 

 V. Normal Inheritance 35 



VI. Abnormal Inheritance 44 



VII. The Breeding of Mice in Laboratories 47 



Bibliography 73 



37949 



