1914] Bryant: Economic Status of the Western Meadowlark 501 



PREVOST, M. F. 



1858. A memoir on the alimentary regimen of birds presented to the 

 Imperial Zoological Society of Paris. (Translated by J. W. 

 P. Jenks.) Trans. Mass. Hort. Soc., 1859, 109-114. 

 PYCBAFT, W. P. 



1910. A history of birds (Methuen Co., London), xxxi -f 458, 36 



pis., 50 figs, in text. 

 KOGERS, J. E. 



1910. Birds that save our crops. Country .Life, 18, 250-254. 

 ROOSEVELT, T. 



1911. Revealing and concealing coloration in birds and mammals. 



Amer. Mus. Nat. Hist. Bull., 30, 119-231. 

 RORIG, G. 



1903a. Studien iiber die wirtschaftlichen Bedeutung der insekton-fres- 



senden Vogel. Berlin Arb. biol. Anst., 4, 1-50. 

 1903b. Untersuchungen iiber die Nahrung unserer heimischen Vogel mit 



besonderer Beriicksichtigung der Tag- und Naehtraubvb'gel. 



Ibid., 51-120, 3 Tafeln. 



1909. Magen- und Gewolluntersuchungen heimischen Raubvogel. Ber- 



lin biol. Anst., 7, 473-520. 

 SAMPLE, O. H. 



1910. The conservation of birds. Outlook, 95, 669-676, illus. 



SCLATER, W. L. 



1912. A history of the birds of Colorado (Witherby & Co., London), 



xxiv -f- 576, 16 pis., 1 map. 

 SHUFELDT, R. W. 



1887. On the skeleton in the genus Sturnella, with osteological notes 

 upon other North American Icteridae and the Corvidae. 

 Jour, of Anat. and Physiol., 22, 309-350, 2 pis. 

 SURFACE, H. A. 



1908. Birds and horticulturists. Penn. State Dept. Agric., Mon. Bull. 



Div. of Zool., 5, 299-320, 3 pis., 7 figs, in text. 

 1905. The economic value of our native birds. Ibid., 3, 240-267, 6 



pis. 

 SULLIVAN, R. H. 



1910. The economic value of bird life. Agric. Educ., 3, 1-47, 30 figs, 

 in text. 



SWYNNERTON, C. F. M. 



1912. Remarks on the stomach contents of birds. Ibis, 6, 635-640. 

 TITCHENER, E. B., and FINN, F. 



1889. Comparative palatability of insects, etc. Nature, 42, 571-572. 



1891. Ibid., 44, 540. 



1892. Ibid., 45, 53. 

 THEOBALD, F. V. 



1908. Economic ornithology in relation to agriculture, horticulture, 



and forestry. Sci. Progress, 2, 263-283. 

 TREADWELL, D. 



1859. The food of young robins. Proc. Boston Soc. Nat. Hist., 6, 396- 

 399. Review U. S. Patent Office Rep. on Agric., 1860, 88-89. 



