102 COLLUEIO BOREALIS, GREAT NOETHEEN SHEIKE. 



B. L. 1. 1844, 155.— Gray, Gen. of Birds, 1847, 294.— Cass., Pr. Phila. Acad, 1857, 

 212. — Maxim., J. f. 0. vi, lb58, 190 (Upper Missouri).- Jones, Nat. in Bermuda, 

 1857, 51.— Dresser & Shaepe, P. Z. S. 1870, 591.— Tursb., B. E. Pa. 1869, 19.— 

 FiNSCH, Abh. Nat. 1872, 39 (Alaslia).— Tuute, Pr. Ess. Inst, vi, 1871, 117. 



Colhjno horeaUs, Bd., B. N. A. 1858, :J-M.— Coop. & Sfcic, N. H. Wash. Ter. If'ig, 188.— 

 COUES & Prent., Smltlis. Rep. for l^iCl (lS(i-2), 409.— Hayd., Rep. 1862, 162.— 

 CouES, Pr. PMla. Acad. 1866, 7:1.- Lord, Xat. Vane, ii, 1866, 295.— Coop., Am. 

 Nat. iii, 1869, 35.— Dall & Banx., Tr. Cbic. Acad, i, ^■^G9, 280.— Stev., U. S. 

 Geol. Snrv. Ter. 1870, 464.— Meiu;., ibid. 1872, 677. 



CoUurio horealis, Bd., Rev. 1866, 440.— Coles, Pr. E s. Inst, v, l.-'6f , 277.— Coop., B. Cal. 

 i, 137.— Aiken, Pr. Bost. Soc. 1872, 198 (Colorado).— Coues, Key, 1872, 125, tig. 

 73.-Mei:r., U. S. Gcol. Surv. Ter. 1-72, 677. -B. B. & E., N. A. B. i, 1874, 415. 



Lanius septtmtrkmalis, Bp., Syu. 1828, 72 ; P. Z. S. l-';57, 112 ; Consp. i, 18.50, 363; R. & 

 M. Z. 1853, 394.— Cass., Pr. Pliila. Acad. lf^57, 213.— Murray, Edinb. N. Phil. 

 Journ. xi, 1859, 223. 



Colhjrio chemungensis, Gregg, Pr. Elmira Acad, i, 1870 (p. 9 of reprinted list). (Young). 



ifaft.— North America. In winter, south to about 35°. AUeghanies, breeding (Tarn- ^/^.J-u 

 Mil). Bermuda (Jones). /" 



Lieutenant Warren's Expedition. — 4552, Fort Pierre. ^~f^' - ■ 



Later Expeditions. — 60996-98, Rock Creek and Green River, "Wyoming ; 62270, Idaho. ' i 

 Not obtained by Captain Raynolds' Expedition. "^ 



The Shrike appears to be common on the Upper Missouri in winter ; 

 I have several times seen it at that sea.sou about Fort Randall. I have 

 also happened to meet with it twice in widely separated localities, but 

 in each instance at about the extreme southern limit, viz., at Washing- 

 ton, D. C, and at Fort Whipple, Arizona. The only record of its breed- 

 ing in the United States that 1 have found, is Mr. Turnbull's statement, 

 that "many nestle on the mountain ridges of the Alleghanies." 



3Ir. Trippe informs me that the Butcher-bird is "quite common in Col- 

 orado, in October, about the Middle Park, and during the winter along 

 the edge of the plains. Late in November one was observed at Idaho 

 Springs to catch and kill a Snow-bird, and carry it off in its bill up the 

 side of a mountain." 



The eggs of our two species of Shrike are indistinguishable, though 

 those of horealis average a tritle the largest — about 1.10 by 0.80. The 

 ground is dull white, blotched or freckled all over with a peculiar shade 

 of dull grayish-brown, in some instances deepening into grayish-choco- 

 late. The variations in precise amount of spotting, as well as in size 

 and shade of the markings, is interminable. 



COLLUEIO LUDOVICIANUS var. EXCUBITOEOIDES, (Sw.) Cones. 



White-rumped Shrike. 



b. excubitoroides. 



Lanius excuMtoroides, Sw., F. B. A. ii, 1831, 115, pi. 35. — Gajib., Pr. Phila. Acad. 1847, 

 200.— Cass., ibid. 1857, 213.— Woodh., Sitgr. Rep. 1853, 77 (Texas).— Heerm., 

 P. R. R. Rep. X, 18.59, 55.— Scl., P. Z. S. 1864, 173 (city of Mexico).— Dress. & 

 Sharpe, p. Z. S. 1870, 595: 



Colhjrio excubitoroides, Bd., B. N. A. 1858, 527, pi. 75, f. 2.— Kenx., P. R. R.,Rep. x, 1859, 

 25.— Hayd., Rep. 1862, 162.— CouES, Pr. Phila. Acad. 1866, 73 (Arizona).— 

 McLlwr., Pr. Ess. Inst, v, 1866, 87 (Hamilton, C. \V.).— CoOP., Am. Nat. Aug. 

 1869, 34 (Fort Union, breeding; eggs six). — Coop., Pr. Cal. Acad. 1870, 75. 



CoUurio excubitoroides, Bd., Rev. 1866, 445. — Coues, Pr. Ess, Inst, v, 1868, 277. — Allex, 

 Mem. Bost. Soc. i, 1869, 504, 517 (Illinois).— Slmich., Mem. Bost; Soc. N. H. i 

 1869, .548 (Vera Cruz).— Coop., B. Cal. i, 1871, 138.— Aikex, Pr. Bost. Soc. 

 1872, 198 (Colorado). 



CoUurio ludovicianus var. excubitoroides, Cotjes, Key, 1872, 125.— B. B. & E., N. A. B. 

 1874, 421. 



Lanius ludovicianus, M.ocim., J. f. 0. 1858, 191 (Upper Missouri). 



CoUurio ludovicianus, Allex, Mem. Bost. Soc. i, 1868, 499 (Iowa).— Allen, Am. Nat. 1869, 

 579 (refei-s to Canadian and New York examples). — Allex, Bull. M. C. Z. iii. 

 1872, 176 (Kansas ; Colorado, Utah). — (?) Purdie, Am. Is at. vii, 1873, 115 (Mass.) 



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