23. TiEEO. 299 



J. f. O. 1855, p. 468 ; Sclat. P. Z. S. 1856, p. 298, 1859, pp. .3('i;i, 

 375; Sclat. ^ Salv. Ibis, 1860, p. 31; Gundlach, J. f. O. 1861, 

 p. 324; Dresser, IMs, 1865, p. 481; Gray, Iland-l. B. i. p. ;j8l, 

 no. 5758 ; Samuels, Birds New Emjl. p. 277; Coues, Birds Co/orad. 

 Vail. i. p. 605 ; Lawr. Mem. Bust. Soc. N. H. ii. p. 272 ; Baird, 

 Birds N. Am. p. 329 ; Salv. 8f Godm. Biol. Centr.-Amer., Aves, i. 

 p. 196. 



Laiiius solitarius, Licht. Preis-Verz. me.r. Vog. p. 2 (1830) ; Cab. 

 J:/. O. 1863, p. 58. 



Vireosylvia (Lauivireo) solitaria, Baird, Rev. Amer. B. p. 347 (1864). 



Vireosylvia solitaria, Sumichrast, Mem. Bost. Soc. N. H. i. p. 548 ; 

 Sd. S)- Salv. Xomencl. p. 12. 



Laaivireo solitaria, Lawr. Bull. U.S. Nat. Mus. no. iv. p. 18; Baird, 

 Brew., ^- Ridgiv. N. Atn. B. i. p. 373. 



Vireosylvia propintj^ua, Baird, Pev. Am. B. p. 348 (1865). 



Vireosylvia solitarius, var. propiuquus, Baird, Breio., ^- Pidgiv. i. 

 p. 373. 



Mantle, back, and upper tail-coverts rich olive ; crown of head, 

 nape, cheeks, and ear-coverts leaden-grey ; wings and tail blackish- 

 Lrown, narrowly edged with olive, or broadly edged with whitish, 

 as is the case with the innermost secondaries and the outer pair of 

 tail-feathers ; greater and median series of wing-coverts tipped with 

 yellowish white ; feathers surrounding the eye and nasal region 

 white ; a spot in front of the eye blackish ; chin, throat, middle of 

 breast, and abdomen pure white, strongly washed with olive-yellow 

 on the flanks ; sides of breast washed with olive ; under wing- 

 coverts and inner margin of quiUs whitish ; bill and feet lead- 

 colour ; the under tail-coverts white, with or without a yellowish 

 tinge, in some specimens uniform pale yellow. Culmen 0-52 inch, 

 wing 2-9-3, tail 2, tarsus 0-73. 



Hah. North America from Canada to Texas ; Central America 

 from Mexico to Guatemala. Cuba. 



a. Ad. sk. Guatemala. Purchased. 



b. Ad. sk. Guatemala. Goidd Collection. 



Subsp. a. Vireo cassini. 



"S'ireo cassini, Xanttis, Proc. Acad. N. Sc. Philad. 1858, p. 117 ; Baird, 

 Birds N. Am. p. 340, pi. 78. fig. 1 ; id. Rev. Am. B. i. p. 347 ; 

 Salv. i^' Godm. Biol. Centr.-Amer., Aves, p. 197. 



Lanivht'o solitarius, var. cassini, Baird, Breto., ^ Pidgw. N. Amer. 

 B. i. p. 376 (1874)._ 



Vireo solitarius cassini, Coues, Birds Colorad. Vail. i. p. 514. 



"N'heosylvia solitaria, Salv. Cat. Strichl. Coll. p. 112 (pt.) {teste Salvin). 



Very similar to V. solitarius, but having the leaden-grey crown 

 a little more tinged with olive than is usually the case with the 

 typical species ; breast slightly tinged with pale fawn-colour. Many 

 intermediate forms occur. 



Hab. North America, California, Nevada and Arizona to Northern 

 Mexico. 



Subsp. 13. Vireo plumbeus. 



Vireo plumbeus, Coues, Pr. A. N. Sc. Philnd. 1866, p. 74 ; id. Birds 

 Colorad. Vail. i. p. 515 ; Cooper, Orn. Cal. i. p. 119 (l.-;70) : Etlivt, 



