CONTENTS

PAGE
Introduction[13]
Physiographic Provinces of the State[16]
Distributional Areas[20]
Climate and Vegetation[25]
Life-zones and Ecology[32]
Geologic History of Washington[46]
The Faunas[52]
Speculation as to Emigrational History of the Mammals[54]
Speculation as to the Later Distributional History of the Mammals[68]
Explanation of Treatment[110]
Check List of Mammals[112]
Accounts of Species and Subspecies[121]
Addenda[416]
Bibliography[417]
Index[430]