166 BULLETIN 50, TJNITED STATES NATIONAL MUSEUM. 



Adult female in winter. — Similar to summer plumage, but dusky 

 streaks on back, etc. , narrower and less distinct, and under parts rather 

 more strongly tinged -with buffy. 



Young. — Back, scapulars, and rump dusky, with distinct pale buffy 

 margins to the feathers; pileum and hindneck streaked with dusky 

 and pale buffy; middle wing-coverts broadly margined, and greater 

 coverts broadly tipped with pale buffy or buffy whitish; chest rather 

 broadly streaked with dusky; otherwise much like adult female. 



Achtlt 7?ia?e.— Length' (skins), 133.86-1-1:5.03 (139.19); wing, 88.90- 

 93.73 (91.44); tail, 48.26-55.88 (53.59); exposed culmen, 11.18-13.21 

 (11.94); depth of bill at base (two specimens), 8.13; tarsus, 19.05- 

 20.83 (19.56); middle toe, 12.70-13.72 (13.21).^ 



Adult female.— L&ngth (skins), 127.51-137.67 (133.86); wing, 80.01- 

 86.87 (84.33); tail, 45.72-50.29 (48.26); exposed culmen, 10.67-11.94 

 (11.18); depth of bill at base, 7.62-8.38 (8.13); tarsus, 18.03-19.81 

 (19.05); middle toe, 12.19-13.72 (12.70).' 



Great Plains district of North America; breeding from eastern Col- 

 orado (sparingly), northwestern Kansas, and Nebraska northward to 

 Assiniboia and plains of the Saskatchewan; during migration south 

 ovet plains and prairies of Texas (to Galveston, Laredo, etc.), south- 

 west through New Mexico and Arizona (Bowie, Gila River, etc.) to 

 northern Sonora and Chihuahua (San Diego; Gallego); casual eastward 

 to Illinois (Champaign, January), westward to Idaho (Birch Creek, 

 August), and even to eastern British Columbia (Chilliwack, June, two 

 records). 



Plectrophanes mccownii Lawrence, Ann. Lye. Nat. Hist. N. Y., v, 1852, 122 (w. 

 Texas; coll. G. N. Lawrence). — Cassin, lUustr. Birds Cal., Tex., etc., 1855, 

 228, pi. 39.— Heeemann, Rep. Pacific K. R. Surv., x, pt.iv., 1859, 13 (New 

 Mexico, winter). 



Plectrophanes mccownii Baikd, in Stansbury's Rep. Gt. Salt Lake, 1852, 331 (w. 

 Texas); Eep. Pacific R.R. Surv., ix, 1858, 437; Cat. N. Am. Birds, 1859, no. 

 330.— Haydbn, Trans. Am. Phil. Soc, xii, 1862, 165.— Dresser, Ibis, 1865, 

 487 (s. Texas). — Coues, Proc. Ac. Nat. Sci. Phila., 1866, 84 (s. Arizona, win- 

 ter) ; Check List, 1873, no. 156; Birds N. W., 1874, 124; Am. Nat., viii, 1874, 

 602 (Milk R., Montana, breeding). — Butcher, Proc. Ac. Nat. Sci. Phila., 

 1868, 149 (Laredo, Texas, winter). — Stevenson, Prelim. Rep. U. S. Geol. 

 Sury. for 1871 (1872), 464 (Camp Reynolds, Wyoming) .—Allen, Bull. Mus. 

 Comp. ZooL,iii, 1872,145 (Cheyenne, Wyoming) ; 177 (Cheyenne; w. Kansas 

 in winter). — Snow, Birds Kansas, 1873, 7 (Fort Hays, w. Kansas, winter). — 

 Henshaw, Rep. Orn. Spec. Wheeler's Surv., 1873 (1874), 110 (Bowie and 

 Gila R., Arizona, Oct.; Fort Bayard, New Mexico, Oct.). 



Plectrophanes maccowni Baikd, Brewer, and Ridgway, Hist. N. Am. Birds, i, 1874, 

 523, pL 24;, fig. 1.— Allen, Proc. Bost. Soc. N.H., xvii, 1874, 46 (near Fort Rice 

 and Fort Lincoln, North Dakota, June), 47 (Big Muddy R., North Dakota, 

 June, July), 56 (Yellowstone R., etc., Montana; habits; descr. nest and 

 eggs).— Henshaw, Zool. Exp. W. 100th Merid., 1875, 252 (Arizona and New 

 Mexico, Oct.; habits).— Co ale, Bull. Nutt. Orn. Club, ii, 1877, 52 (Cham- 



' Six specimens. ^ Seven specimens. 



