Note 26 — FOURTH ANNUAL LIST OF PROPOSED CHANGES IN THE A. O. U. CHECK LIST OF NORTH AMERICAN BIRDS.
Reading edition
For the three previous lists see, ‘The Auk,’ XXXIII, October, 1916, pp. 425-431; XXXIV, April, 1917, pp. 198-205; XXXV, April, 1918, pp. 200-217.