National Geographic : 1923 May
Lo orado A scenic paradise offering every out-of-doors sport in glorious days of sun shine and invigorating mountain air. Colorado * should be the first stop on your western trip. Yel owstone Geysers, springs, mud volcanos, cliffs of glass, mountains that roar,mul ticolored "paint pots." Wild animals and wild flowers. Rock Island is the Colorado Way to Yellowstone. .. ,- n Sifornia, Always alluring-served by Rock Island's Golden State Limited-the pre mier California train and Rocky Mountain Limited - the Colorado Way. JlO Very low round-trip fares this :0er 3 summer placing Colorado, SYellowstone, California easily W eSt within your reach. Choice of routes,liberal stopover privileges. Write for illustrated books and complete information. Rock Island Lines (268) SMr. L. M. Allen, Vice-President. Rock Island Lines, 765 La Salle Station . ,Chicago SPlease mail me, without charge, your publica Stion on [ ] Colorado [ ] California [ ] Yellowstone (Check book or books you desire) ai*mb- mmimlml iamil am i am mHa.a . m "Thank you. I'll stay," says Mrs. House Wren. Nesting Time Is Here Again Birds are quick to appreciate shelter, con venient water and protection, chiefly from cats. Thus may one's trees be full of songsters. Some birds will use prepared houses. Others prefer thick hedges or bushes. It is aston ishing how close these may be to the house, or much frequented spots, if the birds find themselves welcomed. Shallow pans of water supplied for bathing and drinking, and berry bushes or plants whose seeds, like the sunflower, are attrac tive to birds-for this care they make ample return by befriending your orchards and crops, and safeguarding your health. Two pine siskins from California consumed r,9oo black olive scales and 300 plant lice. A kildeer devoured over 300 mosquito larvae, and a bank swallow, 68 cotton boll-weevils. (From examinations of upward of 50,0oo birds by the Biological Survey.) The Book of Birds Contains portraits of 250 birds in accurate color by Louis Agassiz Fuertes-chapters by Henry W. Henshaw, skimming the cream of investigations by the U. S . Biological Survey, of which he was formerly Chief personal experiences of Frederick H. Ken nard in encouraging birds around his home. This book is a veritable gold mine of means for extending bird acquaintanceship during the vacation days. Royal octato (7.rlo in.), well bound in Buckram, $3, postpaid in U. S . A. Foreign postage, 25 cents NATIONAL GEOGRAPHIC SOCIETY WASHINGTON, D. C .