ISirli lore 



AN ILLUSTRATED BI-MONTHLY MAGAZINE DEFOTED TO THE 

 STUDY AND PROTECTION OF BIRDS 



VOLUME XXIII, 1921 



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INDEX TO ARTICLES IN VOLUME XXIII 

 BY AUTHORS 



Ahl, Henry Curtis, Christmas Census, 5. 



Aitkenhead, Paul, see Fisher, M. L. 



Allatt, Frank, Christmas Census, 15. 



Allen, A. F., Christmas Census, 26. 



Allen, Amelia Sanborn, San Francisco Region, 

 .38, g6, 148, 208, 255, 313. 



Allen, Arthur A., A Bird in the Schoolroom, 46; 

 The Bird as a Flying Machine, 48; photographs 

 by, 77, 125; Structure and Habit, 102; The 

 Implements of Birds, 103; Summer Bird- 

 Study, 154; The Geography of Birds, 215; 

 The Yellow Warbler's Tale, 216; The Color- 

 ation of Birds, 260; Concealing Coloration of 

 Birds, 320 



Allen, Mary Pierson, Christmas Census, 13. 



Ankeney, Helen, Christmas Census, 124. 



Ashcraft, Ross, see Bates, T. I.. 



Ashenhurst, Hope. A Flicker's Bed, 245. 



Atwell, George C., Secretary, Report of, 366 



Ayres, Douglas, Jr., and Arthur SchuU, Christmas 

 Census, 9. 



Bagg, Aaron C, and John L., see Mitchell, 



Arthur. 

 Bailey, Guy .\., Three Weeks in the Boat-Blind, 



233. 

 Bailey, Mrs. H. M., The Flicker Bathing. 136. 

 Bantan, Roger A., see Keep, O. Davis. 

 Barrett, Mary T., Enthusiastic Robins Bathing. 



128. 

 Bates, Gardner, Christmas Census, 25. 

 Bates, T. L., Christmas Census, 28. 

 Battell, Mrs. F. L., Mockingbird Winters in 



Iowa, 88. 

 Baynard, Oscar E., see Mounts, Beryl T. 

 Beale, A. W.. The Robin Takes Shower Bath as 



Well as Plunge, 137. 

 Beard, Theodore F., see Daniels, Leslie. 

 Beck, Herbert H., Christmas Census, 17. 

 Beckwith, Helen C, Secretar\', Report of, 382. 

 Bedell, Edgar, Christmas Census, 9, 21; A Tame 



Grouse, 139. 

 Beebe, Ralph, Christmas Census, 21. 

 Bennett, Elizabeth F., Secretary, Report of, 385. 

 Bergtold, W. H., Christmas Census, 30: Denver 



Region, 38, 96, 147, 207, 312. 

 Bessie, Alvah C, and Eugene Eisemann, Christ- 

 mas Census, 11. 

 Bicknell, E. P., Christmas Census, 12 

 Bicknell, Mrs. E. T., President, Report of, 383. 

 Biological Field Club of DeWitt Clinton High 



School, Christmas Census, 11. 

 Black, Bob and Edgar, see Thomas, Edward S. 

 Blair, Helen, Secretary, Report of, 371. 

 Blair, Parker, Christmas Census, 25. 

 Blaisdell, Maurice E.. Christmas Census, 5. 



Blake, Maurice C. Christmas Census, 12. 



Blanchard, George C, Christmas Census, 5. 



Blincoe, Ben. J., Christmas Census, 2b: Two 

 Rare Kentucky Songsters, 244. 



Bodine, Mrs. Donaldson, Secretary. 376. 



Bonesteel, V. C, see Allen, A. F. 



Borger, Denton, see Christy, Bayard H. 



Bourne, Thomas L., see Savage, James. 



Bowdish, Beecher S , Secretary, Report of, 366. 



Brewer, Gilbert, see Emmons, E. T. 



Brewer, O. C, Christmas Census, ig. 



Bridge, Edmund and Lidian E., Christmas 

 Census, 5. 



Brintnall, Mrs. Arthur W., Wren Attacks Squir- 

 rel 248. 



Brooklyn Bird-Lovers' Club, Christmas Census, 

 13- 



Allan, Colored plates by, facing, 119, 



Brooks 

 231. 

 Brooks, 

 Bruen, 



Chandler, see MacDonald, George. 

 Frank, and R. W. Ford, Christmas 



Census, 8. 

 Bullard, Mrs. B. F., Secretary, Report of, 391. 

 Bunker. Sydney K., Christmas Census, 27. 

 Burr, Mary H , Secretary, Report of, 386. 

 Burroughs' Nature Club, Christmas Census, 27. 

 Bush, Clarence H., Goldfinches Nest in Thistles, 



247. 

 Butterwick, Claude A., Christmas Census, 16. 

 Button, Lily Ruegg, Christmas Census, 28. 



Calvert, Earl W., Christmas Census, 4. 

 Calvert, Mrs. John B., President, Report of, 371. 

 Cannon, Gabriel, Christmas Census, 20. 

 Cardinal Ornithological Club, Christmas Census, 



23- 



Cartwright. Wm. J., Christmas Census, 6. 



Case, Clifford M., Christmas Census, 7. 



Caskey, R. C, Christmas Census, 14. 



Chapman, Frank M., Reviews by, 42, 43, 44, 151, 

 152, 211, 257, 317; editorials by, 45. loi, 153, 

 214, 259, 319; Notes on the Plumage of North 

 American Birds, 83, 195, 299; John Burroughs' 

 Obituary, 119; Photographs by, 120, 122. 



Chase, Jennie F., Secretary, Report of, 389. 



Chase, Richard M., see Emmons, E. T., see 

 Meade, Gordon M.; Bird-Study at Home, 55; 

 A Nest Census, 138. 



Childs, Helen P., Secretary, Report of, 360. 



Christy, Bayard H., Christmas Census, ig. 



Clark, L. Elizabeth, The Visitors to an Enameled 

 Bath-Tub, 133. 



Cole, Margaret G., A Bluebird's Nest in a Mail 

 Box, 220. 



Coleman, Dell. Billy: A Great Homed Owl, 293. 



Collins, Homer, Minnesota Migration Notes, 302 



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