CONTENTS.

CHAP. PAGE I. — The bird, its place in Nature and relation to man . 1 Place in Nature — Relation to man. II. — The living bird 14 Factors of evolution — The wing, its form and uses — The tail, its form and uses — The foot, its form and uses — The btll, its form and uses. III. — Colors of birds 35 Color and age — Color and season — The molt — Color and food — Color and climate — Color and haunt and habit — Color and sex. IV. — The migration of birds 48 Extent of migration — Times of migration— Manner of migration — Origin of migration. V. — The voice of birds 63 Song — Call-notes. VI. — The nesting season 64 Time of nesting— Mating— The nest— The eggs— The young. VII. — How TO identify birds ....... 71 A bird's biography. Field key to our common Land Birds . , , .75 xi