244 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Length (skins), 190-219 (205.1); wing, 95-102 (98.2); 

 tail, 86-98 (94.6); exposed culmen, 13.5-16 (14.9); tarsus, 26-27(26.7); 

 middle toe, 16-18 (16. 6). « 



Adult female.— Length (skins), 193-218 (205.7); wing, 92-101 (96.5); 

 tail, 88-97 (93.1); exposed culmen, 14-16 (14.9); tarsus, 26-28 (27.2); 

 middle toe, 16-17 (16.2).^ 



Greater part of United States east of the Great Plains, but very 

 local in more eastern districts; breeding north to New Brunswick 

 (York County), Maine (Bangor), New Hampshire (Hanover), Vermont 

 (Mount Mansfield, etc.), northern New York (Lewis and St. Lawrence 

 counties), Quebec (Montreal), Ontario (Hamilton; Kingston; Beau- 

 maris), Michigan, Wisconsin, and Minnesota, and southward to mid- 

 land Virginia and western North Carolina, Kentucky (probably also 

 Tennessee^), and eastern Kansas; in winter, southward to Mississippi, 

 Louisiana, and Texas (El Paso, February; Fort Clark, Januarj^; West 

 Caranchua Creek, January; Washburn, August). 



Lanius excubitroides (not L. e.icubitofides Swainson) Peabody, Rep. Orn. Mass., 

 1839, 292 (Boston, Massachusetts, in winter). 



Lanius excubitoroides Hoy, Proci Ac. Nat. Sci. Phila., 1853, 308 (Wisconsin). — 

 Haymond, Proc. Ac. Nat. Sci. Phila., J 856, 290 (Indiana). 



CoUyrio excubitoroides Baird, Rep. Pacific R. R. Surv., ix, 1858, 327, part (Marion 

 Co., Illinois; Racine, Wisconsin; Independence, Missouri); Cat. N. Am. 

 Birds, 1859, no. 238, part.--MclLWRAiTH, Proc. Essex Inst., v, 1866, 87 

 (Hamilton, Ontario). 



CoUurlo excubitoroides Baird, Review Am. Birds, June, 1866, 445, part (Wiscon- 

 sin; Michigan; Illinois). — Coues, Proc. Essex Inst., v, 1868, 277 (New Eng- 

 land). — Eaton, Oologist, iv, 1878, 2, 3 (New York; nesting habits). 



\_Collurio ludovicianus.l Var. exciibitoroides Coues, Key N. Am. Birds, 1872, 125, 

 part. 



Collurio ludovicianus . . . var. excubitoroides _ Coues, Check List, 1873, no 135a, 

 part. 



« Nineteen specimens. 

 & Twelve specimens. 



There is a slight difference in measurements between eastern and western speci- 

 mens, as indicated by the following averages : 



« Owing to lack of specimens and records, the exact southern limits of the breeding 

 range of this form are, like the northern limits of that of L. L ludovidanus, unknown. 



