154 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



grayish buffy on upper part of auricular regon; under parts white, 

 the under tail-coverts pale yellowish. 



Adult maZe.— Length (skins), 119-134: (124); wing, 67-74 (70.4); 

 tail, 49-55 (51.9); exposed culmen, 10-11 (10.8); depth of bill at nos- 

 trils, 3.5-4 (3.9); tarsus, 17-19 (17.9); middle toe, 10-11 (10.2).« 



J.<?MZi; /emaZe:— Length (skins), 114-125 (120.8); wing, 66-71(69); 

 tail, 47-53 (50.1); exposed culmen, 10-11 (10.5); depth of bill at nos- 

 trils, 3.5-4 (3.9); tarsus, 17-19 (18); middle toe, 10-11 (10.3).* 



Eastern temperate North America; north to Nova Scotia, northern 

 Ontario (Elmsdale; Beaumaris), Manitoba (Selkirk; KedEiver; Assin- 

 iboine River; Duck Mountains), etc.; west to North Dakota (Pem- 

 bina;' Fort Rice"), southeastern Montana (Fort Keogh''), South 

 Dakota (Cheyenne River, '^ Custer County), Kansas, Oklahoma, and 

 Texas (Tascosa''); breeding from the northern limit of its range to the 

 Gulf States (Florida to Texas). (No extralimital specimens seen, and 

 all extralimital records questionable, as probably pertaining to V. g. 

 swainsoni.) 



Muscicapa gilva Vieillot, Ois. Am. Sept., i, 1807, 65, pi. 34 (New York).— 



Stephens, Shaw's Gen. Zool., x, 1817, 387. 

 Sylvia gilva Vieillot, Nouv. Diet. d'Hist. Nat, xi, 1817, 190; Enc. M^th., ii, 



1823, 453. 

 Vireo gilvus Bonapakte, Joum. Ac. Nat. Sci. Phila., iv, 1824, 176; Ann. Lye. 



N. Y., ii, 1826, 70; Geog. and Comp. List, 1838, 26.— Nuttall, Man. Orn. 



U. S. and Can., i, 1832, 309.— Audubon, Orn. Biog., ii, 1834, 114, pi. 118; 



Synopsis, 1839, 161; Birds Am., oct. ed., iv, 1842, 149, pi. 241.— Hoy, Proe. 



Ac. Nat. Sci. Phila., 1853, 309 (Wisconsin); Ann. Eep. Smithson. Inst, for 



1^64 (1865), 437 (Missouri).— Woodhouse, in Rep. Sitgreaves' Expl. 



Zuiii and Col., 1853, 76, part (Indian Territory; Texas). — Thompson, Nat. 



Hist. Vermont, 1853, App.,p. 22.— Baird, Eep. Pacific E. E. Surv., ix, 1858, 



"Twenty-two specimens. 

 6 Thirteen specimens. 



Specimens from the Atlantic coast district and Mississippi Valley, respectively, 

 average as follows: 



Locality. 



Wing. 



Tail. 



Ex- 

 posed 

 culmen. 



Depth 

 of bill 

 at nos- 

 trils. 



Tarsus, 



Middle 

 toe. 



MALES. 



Ten adult males from Atlantic coast district 



Ten adult males from Mississippi Valley 



Two adult males from southeastern Montana 

 (PortKeog-h) , 



FEMALES. 



Five adult females from Atlantic coast district . . . 



Seven adult females from Mississippi Valley 



One adult female from southeastern Montana 

 (FortKeogh) 



70.1 

 71 



69.3 



51.4 

 52.4 



51.5 



50 



49. V 



58 



10.5 

 10.7 



10.2 

 10.6 



18 

 18 



17.9 

 18 



18 



10.8 

 10 



10.5 



10.1 

 10,3 



11 



''Breeding at these localities. 



