ECONOMIC VALUE OF BIRDS TO THE STATE. 173 



junipcrbcrry, pokeberry, partridge berry, greenbrier, Virginia creeper, bittersweet, 

 hoUv-strawberry busli, false spikenard, wild sarsaparilla, sumac (several species), rose 

 haws, sorrel, ragweed, grass, and asparagus. This list shows how little the Bluebird 

 depends, upon the farm or garden to supply its needs, and indicates that by 

 encouraging the growth of some of these plants, many of which are highly orna- 

 mental, the bird can be induced to make its home on the premises." (Beal.) 



A List of tl)e I\ovc Important Papers Relating to tl)e food 



of American ;^ir<ls. 



1859. Jenks, J. W. P., Trans. Mass. Hort. Soc. 



1859. Treadwell, D., [Food of Young Robins.] Proc. Bost. Soc. Nat. Hist., VI, 



PP- 39<5-399- 



1878. Aughey, Samuel, Notes on the Nature of the Food of the Birds of 

 Nebraska. 



1880. Forbes, S. A., The Food of Birds. Bull. 3, Ills. State Laboratory of Nat. 

 Hist., pp. 80-149. Trans. Ills. Hort. Soc, XIII, pp. 120-172. 



1883. King, F. H., Economic Relations of Wisconsin Birds. Geology of Wiscon- 

 sin, Vol. I, pp. 441-610. 



1883. Forbes, S. A., The Regulative Action of Birds upon Insect Oscillations. 

 Bull. 6, Ills. State Laboratory of Nat. Hist., pp. 3-32. 



1886. Merriam, C. Hart, Report of Ornithologist and Mammalogist. Report of 



U. S. Commissioner of Agriculture, pp. 227-258. 



1887. Merriam, C. Hart, Report of Ornithologist and Mammalogist. Report of 



U. S. Commissioner of Agriculture, pp. 399-456. 

 1887. Fisher, A. K., Food for Hawks and Owls. Report of U. S. Commissioner 



of Agriculture, pp. 402-422. 

 1887. Fisher, A. K., Experiments in Poisoning. Ibid., pp. 423-426. 

 1887. Bailey, Vernon, Reports on Some of the Results of a Trip Through Parts 



of Minnesota and Dakota. Ibid., pp. 426-454. 



1887. Fisher, A. K., Notes on the Depredations of Blackbirds and Gophers in 



Northern Iowa and Southern Minnesota in the Fall of 1887. Ibid., pp. 

 454-456. 



1888. Merriam, C. Hart, Report of the Ornithologist and Mammalogist. Report 



of the Commissioner of Agriculture, pp. 477-536. 

 1888. Fisher, A. K., Tlie Sparrow Hawk [Fa/co sparvcriiis). Ibid., pp. 491-496. 

 1888. Fisher, A. K., The Short-Eared Owl {Asia accipilriniis). Ibid., pp. 496-498. 

 1888. Barrows, Walter B., The Food of Crows. Ibid., pp. 498-535. 



