ECONOMIC VALUE OF BIRDS TO THE STATE. 63 



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

 holly-strawberry bush, 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 i iduced to make its home on the premises." (Beal.) 



A lyist of tl)e A.ore Important Papers Relating to tl)e Too<L 



of American ^iM$. 



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



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



pp. 396-399- 



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., The Sparrow Hawk {Fa/co sparverius). Ibid., pp. 491-496. 

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

 1888. :^arrows, Walter B., The Food of Crows. Ibid., pp. 498-535- 



