Birds. Protection of migratory birds, hearings before [subcommittee and] Committee on Foreign Affairs, House, on H. R. 20080 [to give effect to convention between United States and Great Britain for protection of migratory birds in United States and Canada, signed Washington, Aug. 16, 1916, ratifications whereof were exchanged on 7th of December, 1916, etc.]; statements of E. W. Nelson [and others], Feb. 3 [-6], 1917.