512 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



res.; may occur in winter; spec. Univ. Colorado Mus.). — Arnold, Condor, 

 xxxix, 1937, 32, in text (Coalinga, Calif.; status). — Bagg and Eliot, Birds 

 Connecticut Valley in Massachusetts , 1937, 116 (habits). — Bent, U. S. 

 Nat. Mus. Bull. 167, 1937, 78 (life hist.).— Cooke, Bird-Banding, viii, 1937, 

 53 (2 banding returns; longevity). — del Campo, Anal. Inst. Biol., viii, 

 1937, 268 (Hidalgo, Valle del Mezquital). — Dixon and Bond, Condor, 

 xxxix, 1937, 100, in text (Tule Lake, Calif.; occ). — Groebbels, Der Vogel 

 ii, 1937, 23, in text (right ovary), 107, in text (male with two hens), 173 

 (data on breeding biol.), 299, in text (egg color).- — Gross, Auk, liv, 1937, 

 21, in text (Amherst Island [Magdalena]; 1 seen). — Murphey, Contr. Charles- 

 ton Mus., ix, 1937, 13 (Savannah Valley, Ga.; common winter vis.). — 

 Shortt and Waller, Contr. Roy. Ontario Mus. Zool., No. 10, 1937, 16 

 (Lake St. Martin region, Manitoba; common summer; spec). — Van Tyne 

 and Sutton, Misc. Publ. Mus. Zool. Univ. Michigan, No. 37, 1937, 23 

 (Brewster County, Tex.; many records). — Deaderick, Wils. Bull., 1, 1938, 

 263, in text (Hot Springs National Park, Ark.; 3 records). — Fox, Wils. 

 Bull., 1, 1938, 142, in text (North Dakota; nest, habits). — MacLulich, 

 Contr. Roy. Ontario Mus. Zool., No. 13, 1938, 9 (Algonquin Prov. Park, 

 Ontario; summers). — Roads, Wils. Bull., 1, 1938, 64, in text (Ohio; 1 rec). — 

 Bennett and Hendrickson, Auk, Ivi, 1939, 36, in text (Iowa; breeding). — 

 Cowan, Occ. Pap. British Columbia Prov. Mus., No. 1, 1939, 25 (Peace River dis- 

 trict, Brit. Columbia; 2 specs.; food habits; breed.; several migr. records). — 

 Cruickshank, Auk, Ivi, 1939, 475, in text (Long Island, N. Y.; eating 

 carrion); Birds around New York City, 1942, 141 (New York City region). — 

 CusHiNG, Condor, xli, 1939, 103, in text (habits). — Hargrave, Condor, xH, 

 1939, 207, 209, in text (Flagstaff, Ariz.; prehist. bone).— Leigh, Wils. Bull., 

 li, 1939, 241, in text (Hunt City, 111.; nest.; food habits). — Niedrach and 

 Rockwell, Birds Denver and Mountain Parks, 1939, 55 (common res.; 

 nest.; habits). — Pettingill, Proc. Nova Scotian Inst. Sci., xix, 1937-38 

 (1939), 331 (Grand Manan; common transient and summer res.; nests; 1 

 spec). — KiTCHiN, Murrelet, xx, 1939, 29 (Mt. Rainier National Park; 

 occ. fall vis.). — RicKER and Clarke, Contr. Roy. Ontario Mus. Zool., 

 No. 16, 1939, 7 (Lake Nipissing, Ontario; reg. summer res.). — Allin, Trans. 

 Roy. Can. Inst., xxiii, pt. 1, 1940, 95 (Darlington Township, Ontario; com- 

 mon summer res.; breeds; nest, records). — Baldwin, Auk, Ivii, 1940, 413, 

 in text (Bull Island, S. C; robbed by bald eagle). — Burleigh and Lowery, 

 Occ. Pap. Mus. Zool. Louisiana State Univ., No. 8, 1940, 98 (w. Texas: 

 Guadalupe Mountains; common fall trans.); No. 12, 1942, 188 (se. Coahuila; 

 records). — Campbell, Bull. Toledo Mus. Sci., i, 1940, 58 (Lucas County, 

 Ohio; spec; com. perm, res.; eggs; band, records). — Clarke, Nat. Mus. 

 Canada Bull. 96, 1940, 47 (Thelon Game Sanctuary, nw. Canada). — Dear, 

 Trans. Roy. Can. Inst., xxiii, pt. 1, 1940, 125 (Thunder Bay, Lake Superior, 

 Ontario; common summer res.; breeding records). — Randall, Wils. Bull., 

 Hi, 1940, 165, in text (Lehigh County, Pa.; seasonal food habits). — Watson, 

 Condor, xlii, 1940, 296, in text (San Joaquin County, Calif.; 1 seen). — 

 Brimley, Auk, Iviii, 1941, 108 (Cape Hatteras Park, N. C; eggs).— 

 Christensen and Trelease, Condor, xliii, 1941, 200, in text (nesting 

 habits; Nevada). — Engels, Auk, Iviii, 1941, 63, in text, 65 (diagram, wing 

 skeletal ratios). — Goodpaster, Journ. Cincinnati Soc Nat. Hist., xxii, 1941, 

 12 (sw. Ohio; reg. but uncommon res.). — Hand, Condor, xliii, 1941, 225 

 (St. Joe National Forest, Idaho). — Miller, Condor, xliii, 1941, 113, in 

 text (molt). — Parmenter, Condor, xliii, 1941, 157, in text (feeding habits). — 

 Rivers, Condor, xliii, 1941, 66, in text (Mountain City, Nev.; feeding 



