ADDENDA 543 



Wood Products, Bull. 39, 1911; Our Vanishing Shore Birds, Circular 

 79, 1911; Three Important Wild Duck Foods, Circular 81, 1911; Bird 

 Enemies of the Codling Moth, Yearbook 1911, 237; Relation of Birds 

 to an Outbreak of Grain Aphids, Yearbook 1912, 397; Index to Papers 

 Relating to Food of Birds by Members of the Biological Survey in 

 Pubs, of U.S. Dept. Agr. 1885-1911, Bull. 43, 1913. McATEE, W. L., 

 and BEAL, F. E. L. Some Common Game, Aquatic, and Rapacious 

 Birds in Relation to Man, Farmers' Bull. 497. 1912. MERRIAM, C. 

 HART, Reports of the Chief of the Bureau of Biological Survey., Ann. 

 Repts. U.S. Dept. Agr. 1908, 571; 1909, 533. OBERHOLSER, H. C. 

 The North American Eagles and their Economic Relations, Bull. 27, 



1906. PALMER, T. S. The Danger of Introducing Noxious Animals 

 and Birds, Yearbook, 1898, 87. 



MIGRATION. 



ANTHONY, A. W. Migration of Richardson's Grouse, Auk, xx. 25, 1903. 

 CARPENTER, F. W., An Astronomical Determination of the Height 

 of Birds during Nocturnal Migration, Auk, xxiii. 210, 1906. COOKE, 

 W. W. The Effect of Altitude on Bird Migration, Auk, xxi. 338, 1904. 

 Some New Facts about the Migration of Birds, Condor, vi. 115, 1904. 

 Distribution and Migration of N. Am. Warblers, Bull. 18, Biol. Surv. 

 U.S. Dept. Agr. 1904. Routes of Migration, Auk. xxii. 1, 1905. Dis- 

 tribution and Migration of N. Am. Ducks, Geese, and Swans, Bull. 

 26, Biol. Surv. U.S. Dept. Agr. 1906. Distribution and Migration of 

 N. Am. Shore Birds. Bull. 35, Biol. Surv. U.S. Dept. Agr. 1910. Our 

 Greatest Travelers, Nat'l. Geographic Mag. Apr. 1911, pp. 346-365. 

 Distribution and Migration of N. Am. Herons and their Allies, Bull. 

 45, Biol. Surv. U.S. Dept. Agr. The Relation of Bird Migration to the 

 Weather, Auk, xxx. 205, 1913. STONE, WITHER. Some Light on 

 Night Migration, Auk, xxiii. 249, 1906. TROWBRIDGE, C. C. The 

 Relation of Wind to Bird Migration, Am. Nat. xxxvi. 1902, 737. 

 WINKENWERDER, H. A. The Migration of Birds with especial refer- 

 ence to Nocturnal Flight, Bull. Wis. Nat. Hist. Soc. Vol. ii. No. 4, 

 Oct. 1902, 177. 



MOULT AND FEATHER STRUCTURE. 



BEEBE, C. W. Preliminary Report on an Investigation of the Seasonal 

 Changes of Color in Birds, Am. Nat. vol. xlii. Jan. 1908, pp. 34-38. 

 DWIGHT, JONATHAN, JR. Plumage Wear in its Relation to Pallid Sub- 

 species, Auk, xxii, 34, 1905. JONES, LYNDS. The Development of 

 Nestling Feathers, Lab. Bull. No. 13, Oberlin, Coll., Oberlin, Ohio, 



1907. MASCHA, DR. E. The Structure of Wing Feathers, Smith- 

 sonian Misc. Coll. Quarterly Issue, vol. iii. pp. 1-30, 1905. RIDDLE, 

 OSCAR. A Study of Fundamental Bars in Feathers, Biol. Bull. vol. xii. 

 No. 3, Feb. 1907, pp. 165-174. STRONG, R. M. The Development of 

 Color in the Definitive Feather, Bull. Mus., Comp. Zool. vol. xl. No. 3, 

 pp. 146-186, Oct. 1902. 



NESTS AND EGGS. 



HERRICK, F. H. Nests and Nest Building in Birds, Journal of Animal 

 Behavior, Pt. i, 159-192; Pt. ii, 244-277; Pt. iii. 336-373, 1911. 



PROTECTIVE COLORATION. 



THAYER, ABBOTT H., and GERALD H. Concealing Coloration in the 

 Animal Kingdom, The Macmillan Co., New York, 1909. 



