Part 13

ALDRICH, J. W. AND FRIEDMANN, H.

1943. A revision of the ruffed grouse. Condor, 45:85-103.

AMERICAN ORNITHOLOGISTS' UNION COMMITTEE.

1931. Check-list of North American birds. Lancaster Press.

1944. Nineteenth supplement to the American Ornithologists' Union check-list of North American birds. Auk, 61:441-464.

1945. Twentieth supplement to the American Ornithologists' Union check-list of North American birds. Auk, 62:436-449.

1946. Twenty-first supplement to the American Ornithologists' Union check-list of North American birds. Auk, 63:428-432.

1947. Twenty-second supplement to the American Ornithologists' Union check-list of North American birds. Auk, 64:445-452.

ARVEY, M. D.

1941. Black-billed cuckoo in Idaho. Condor, 43:291.

1944. Eastern blue-jay in Idaho. Condor, 46:205.

BEHLE, W. H.

1942. Distribution and variation of the horned larks (Otocoris alpestris) of western North America. Univ. California Publ. Zoöl., 46:205-316.

1944. Check-list of the birds of Utah. Condor, 46:67-87.

BENDIRE, C. E.

1877. Birds of southeastern Oregon. Proc. Boston Soc. Nat. Hist., 19:109-149.

BOND, R. M.

1946. The peregrine population of western North America. Condor, 48:101-116.

BREWSTER, W.

1896. Description of a new warbler and a new song sparrow. Auk, 13:44-47.

BRODKORB, P.

1935a. Two new subspecies of the red-shafted flicker. Occ. Pap. Mus. Zoöl., Univ. Michigan, 314:1-3.

1935b. A new bird for Idaho. Auk, 52:312.

BURLEIGH, T. D.

1923. Notes on the breeding birds of Clark's Fork, Bonner County, Idaho, Auk, 40:653-665.

COOLE, H. K.

1915. The present status of the trumpeter swan (Olor buccinator). Auk, 32:82-90.

COUES, E.