BIEDS OP NOKTH AND MIDDLE AMEEICA. 237 



Collyrio elegans Baird, Rep. Pacific R. E. Surv., ix, 1858, p. xxxv; Cat. N. Am. 



Birds, 1859, no. 239, part. 

 CoUurio ekgansBA^iRD, Review Am. Birds, June, 1866, 444, part (in synonymy).— 



CooPBE, Orn. Cal. , 1870, 140, part (quotation of original description and in 

 , synonymy). 



Lanius lahtora Ridgway, Proc. U. S. Nat. Mus., iii, 1880, 236. 

 (See Dresser and Siiarpe, Proc. Zool. Soc. Lond., 1870, 595; Ridgway, Am. Nat., 

 vii, 1873, 609; Coues, Birds Col. Val., 1878, 545.) 

 (2) Lanius ludovicianus robnstna (Baird) =Lanius algeriensis Lesson. 



Lanius elegans (not of Swainson) Cassin, Proc. Ac. Nat. Sci. Phila., ix, 1857 



(1858), 213 ("California").— Baibd, Rep. Pacific R. R. Surv., ix, 1858, 328, 



footnote, part (not the description); ed. 1860 (Birds N. Am.), atlas, pi. 75, 



fig. 1. 

 Collyrio elegans Baird, Rep. Pacific R. R. Surv., ix, 1858, p. xxxv; Cat. N. Am. 



Birds, 1859, no. 239, part. 

 Collurio elegans Baikd, Review Am. Birds, Aug. 1866, 444, part. — Coopeb, Orn. 



Cal., 1870, 140, part, including fig. 

 Collyrio excubitoroides (not Lanius exciibitorides Swainson) Baird, Rep. Pacific 



R. R. Surv., ix, 1858, 327, part. 

 Colhirio ludovicianus (not Lanius ludovicianus Linnsus) Goues, Key N. Am. 



Birds, 1872, 125, part. 

 Collurio ludoiricianus, var. robustus Baird, Am. Nat., vii, Oct., 1873, 608 (California; 



coll. Acad. Nat. Sci. Phila.). — Baird, Brewer, and Eidgway, Hist. N. Am. 



Birds, i, 1874, 420; iii, 1874, 508. 

 Lanius ludovicianus robustus Eidgway, Proc. tJ. S. Nat. Mus., iii, Aug. 24, 1880, 



175, 216; Nom. N. Am. Birds, 1881, no. 1496. 

 Lanius robustus Gadow, Cat. Birds Brit. Mus., viii, 1883, 243. — Stejnegee, Proc. 



Ac. Nat. Sci. Phila., 1885, 91-96 (crit.).— Eidgway, Auk, xiv, 1897, 323 



(crit.) . 

 Llanius} robustus Eidgway, Man. N. Am. Birds, 1887, 468. 

 Collyrio ludovicianus, var. robustus Collett, Archiv. Mathem. og Naturvid. 



Kristiania, 1878, 181, in text (crit.). 

 Lanius bairdi Stejneger, Archiv. Math. Naturvidensk. Kristiania, iii, 1878, 326, 



330 { = Collyrio elegans Baird); iv, 1879, 263. 



LANIUS BOREALIS Vieillot. 

 NORTHEKN SHEIKE. 



Adult male. — Above plain light bluish-gray, '^ changing to white on 

 lower rump, upper tail-coverts, posterior scapulars, superciliary 

 region, and anterior portion of forehead; lower portion of latero- 

 frontal tuft and spot in front of eye black, the intervening space 

 dusky gray; auricular region black, this extending forward beneath 

 lower eyelid and confluent with the black anteorbital space; wings 

 and tail black; secondaries and innermost primaries tipped with white 

 (the latter more narrowly); base of primaries (except three outermost) 

 white across both webs, showing as a more or less conspicuous patch; 

 outermost rectrix white with a black spot or patch near base of inner 

 web; second rectrix with base and extensive terminal portion white, 



«Between gray no. 8 and cinereous of Ridgway's Nomenclature of Colors. 



