LIST OF ILLUSTRATIONS 



PAGE 



PAIE OF YELLOW WAEBLERS (In Colors) . . . .Frontispiece 



FOOT OF THKEE-TOED WOODPECKER xiv 



FOOT OF FOUR-TOED WOODPECKER xiv 



HORNED GREBES WITH NEST (In Colors) 8 



CALIFORNIA GULLS GATHERING INSECTS (In Colors) . . 20 



CALIFORNIA GULLS 24 



OLD AND YOUNG RING-BILLED GULLS 24 



YOUNG TERNS 32 



YOUNG DOUBLE-CRESTED CORMORANTS 32 



NESTS OF DOUBLE-CRESTED CORMORANTS 33 



FULLY WEBBED FOOT OF ONE OF THE STAGANOPODES. 44 



MALE AND FEMALE MALLARD 48 



MALLARD DRAKE 48 



CANADA GOOSE 48 



THE TRUMPETER SWAN (In Colors) 68 



THE GREEN HERON (In Colors) 80 



PAIR OF SANDHILL CRANES AT HOME (In Colors) . . 84 



NEST AND YOUNG AMERICAN COOT 96 



YOUNG KILLDEER 96 



KlLLDEER AND NEST 97 



FOOT OF COOT 97 



MALE BOBWHITE 108 



BOBWHITE'S NEST 108 



YOUNG MOURNING DOVES 108 



PRAIRIE CHICKENS (In Colors) 116 



TURKEY BUZZARD 128 



ix 



