CONTENTS. IX 



PAGE 



SPRING IN WESTERN OREGON The Booming of the Sooty Grouse 188 



A WINTER RESIDENT The Ruffed Grouse . . . . 194 



THE EAVES-SWALLOW: HOW SHE CAME AND BUILT HER NEST . 201 



THE EAVES-SWALLOW : HOW SHE CHANGED HER STYLE OF BUILDING 208 



KNIGHTS AND CASTLES The Purple Martin . . \ . . 213 



SOME CAGED PINE GROSBEAKS ". . ... . . 219 



THE BIRD INVISIBLE The Cuckoo . . . . . . . 225 



A DEAD BEAT The Cow-bird . . . . . . .230 



THE NEST IN THE PASTURE SPRUCE . .- . ; t . . 236 



How THE SHRIKE HUNTS . . . . . . . . . 242 



How THE ROBIN GETS HIS WORM . . . . . .. . 248 



THE STRANGE THINGS BIRDS DO AND THE STRANGE THINGS THEY 



SAY 253 



APPENDIX. 



ZOOGEOGRAPHICAL DIVISIONS OF THE WORLD .... 263 



MIGRATION ' : V i . ^ .- . . . . . 264 



HINTS ON OBSERVING BIRDS . . . . . . r ; . 267 



HlNTS ON IDENTIFYING STRANGE LlVE BlRDS . , . . . 269 



CERTAIN QUESTIONS ANSWERED . . . , . . . 270 



LISTS OF BOOKS . ... 273 



