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CONTENTS Black-throated Gray XVarbler Feeding Young .................. Herman T. Bohlman Frontispiece Two Oregon Warblers (4 halftones & frontispiece) ............................. F?m. L. Finley 31 Nesting Habits ol the Black-headed Grosbeak .............................. `4nna lYead 35 Destruction of Birds by Wires ..................... -.. ? ................. It/. O. Emerson 35 A Sandhill Crane's Nest (halftone) ............................................. E. R. lt/arren 39 Midwinter Birds at Palm Springs, California ................................. .jr. Gristnell 41 The Elf Owl in California ................................................. Herberg Brown 46 Nevada Notes ........................................................... FP'iisott C. Hanna 47 Mr. E. W. Nelson (portrait and sketch) ......................................................... 49 FIELD AND STUDY Notes on the Habits of the Water Ousel (Cinchis mexicanus) ............ .jr. S. Burchain 5o Eggs of Fl?mmulated Screech Owl and Western Evening Grosbeak taken in Estes Park, Colorado ............................................................ ?. ,gl r. Lb'lie 5o California Vulture in San Mateo Co., Cal ................................ lI/. K. Fisher 5o Notes on the Birds of Hoops Valley, Cal ................................ ? K. Fisher 50 Cactus XVrens ...................................................... Frank Stephens 5I Dusky Horned Lark in Lake County .................................... .d r. Grt?tnell 52 EDITOR'S BOOK SHELF. Notices of Silloway's Birds of Fergus Co., Montana; Snodgrass and Heller's Birds of Galapagos Islands; Oberholser's Revision of the American Great Horned Owls; Oberholser's Revision of Troglodytes ......... ? K. Fisher 52---53 News Notes ...................................................................... 53 Minutes of Meetings ..................................................... C. S. Thompson 54 In Re Taylor's Catalogue .................................................... D. .4. Cohen 54 Entered January I6, I9o$, at Palo Alto, Cal., as second-class matter. SEPAIkATES Separates of articles in THE CONDOR will be furnished by THE NAcE PRINTING CO3IPAN, Santa Clara, Cal., at the following uniform rates. All orders for separates must accompany manu- script, and be written plainly at the head of the article. No separates can be furnished gratis. No. of Copies 2 Pages 4 Pages 8 Pages la Pages Cover and Title 50 $ 9o $i 35 $2 25 $2 70 $? Go 75 ioo i 5o 2 40 2 95 i 25 xoo x x5 x 65 :z 65 3 x5 x 5o NOTICE TO SUBSCRIBERS Subscribers are particularly requested to send their subscriptions directly to Joseph Grinnell, by postal money order, rather than through news-dealers, sub- scription agencies, or other middlemen. Subscriptions for x9o4 are now due. Remit to JOSEPH GRINNELL, Pasadena, Cal.