400 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



(69.7); tail, 63.5-71 (67.7); culmen, 9.5-11 (9.7); tarsus, 16.5-18.5 

 (17.2); middle toe, 9.5-11.5 (10.5). « 



Adult feniale.—Jjeugth (skins), 119-137 (122.2); wing, 63.5-68.5 

 (66.5); tail, 61-67 (64.4); eulmen, 8.5-10 (9.5); tarsus, 15-18 (16.7); 

 middle toe, 8.5-11 (9.9).^ 



Great Plains and Rocky Mountain districts of central North Amer- 

 ica, from New Mexico and Kansas to the Kenai Peninsula, Alaska, and 

 province of Mackenzie (Slave Lake district): east to eastern Kansas 

 (Topeka, etc.), Iowa (Mitchell and Winnebago counties), '^ eastern South 

 Dakota, western Minnesota, Manitolia, and southwestern Keewatin 

 (lower Echimamish); west to Salt Lake Valley, Utah. 



Parui^ septentrionalis Harris, Proc. Ac. Xat. Sci. Pliila., ii, Dec. 1845, 300 (near 

 mouth Yellowstone R., \v. North Dakota; coll. Ac. Nat. Sci. Phila.) ; Ann. 

 and ilag. N. H., xvii, 1S46, 452, 454. — Baird, in Stansbury's Rep. Great 

 Salt Lake, 1852, 31(5 (Yellowstone R.); Rep. Pacific R. R. Surv., ix, 1858, 

 389; Cat. N. Am. Birds, 1859, no. 289; Review Am. Birds, 1864, 79.— Cassin, 

 Illustr. Birds, Tex., Cal., etc., 1853, 17, SO, pi. 14.— Sclater, Cat. Am. Birds, 



1862, 14 Fort Riley, Kansas).— Haydi x. Trans. Am. Philos. Soc, xii, 1862, 

 164 (Upper Missouri Valley). — Blakiston, Ibis, 1862, 5 (Saskatchewan); 



1863, 67 (Saskatchewan).— (??) Hov, Ann. Rep. Smithsonian Inst, for 1864 

 (1865), 438 (Missouri). -Stevenson, Rep. U. S. Geol. Surv. for 1870 (1871), 

 464 (Fort Bridger, Green R., etc., Wyoming). — Aiken, Proc. Bost. Soc. 

 N. H., xvi, 1872, 195 (Colorado).— Merriam, Rep. V. S. Geol. Surv. Terr, 

 for 1872 (1873), 713 (Utah).— (?) Snow, Birds, Kansas, 1873, 6. 



Lophophaneii septenrionaiis Baird, in Stansbury's Rep. Great Salt Lake, 1852, 332. 



Parm atricapiUus, var. septentrionalis Allen, Bull. Mus. Comp. Zool., iii, 1872, 

 166 (Ogden, I'tah), 174 (Kansas; Colorado; Utah); Am. Nat., vi, 1872, 396, 

 in text (Ogden and Weber R., Utah) ; Proc. Bost. Soc. N. II., xvii, 1874, 49 

 (Yellowstone, ]\Iusselshell, and Heart rivers, IVIontana). — Baird, Brewer, 

 and RiDGWAv, Hist. N. Am. Birds, i, 1874, 99.— Coues, Birds N'. W., 1874, 

 21.— Trippe, in Coues's Birds N. W., 1874, 230 (Colorado; plains np to 9,000 

 ft.).— Nelson, Proc. Bost. Soc. N. H., xvii, 1875, 339 (Utah). 



Parus var. septentrionalis Baird, Brewer, and Ridgwav, Hist. N. Am. Birds, i, 

 1874, pi. 7, fig. 2. 



« Twenty specimens. 



6 Sixteen specimens. 



Specimens from the Great Plains (Alberta and Saskatchewan to Nebraska) and 

 those from the Rocky Mountains (Montana to New Mexico) compare in average 

 measurements as follows: 



The coloration appears to be quite the same in the two series when specimens of 

 corresponding season are compared, 

 c Breeding. 



