oG6 



NORTH AMKRirAN UIKDS. 



liavo the power to reyui'sitiite by the bill jjcllcts of indigestible portions of 

 their lood. 



The eggs of this Vireo vary greatly in size, iiccon.ing to the locality; the 

 farther soutli the smaller they fire found. One, ma'-ked on the shell East 

 Tennessee, June 1, ISiiS, Alex. (Jerhardt, measures .1C by .52 of an inch, 

 while one from Halifa.x, Nova Scotia, measures .95 by 05. Ti.e ground- 

 color of all is a clear crystal-white, and they are marked *■' ' itly at the larmier 

 end with si)ots and finer dots of n^tl-brown. 



Mr. liobert Kennicott, in his notes, s[ieaks of findin;,' a nest of the Red- 

 eyed Vireo at the Cumberland House, Saskatcliewan, June li8. Incubation 

 had not yet commenced. The pensile and neatly built nest was suspended 

 about four feet from the ground, upon a hazel-bush. The ]>arent, when 

 scared from it, remained near until she was killed. 



Vireosylvia flavoviridis, Cassin. 



TELLOW-GBEEN VIBEO. 



Vii-eosjilma flav. Ca.s»ix, Pr. A. N. Sl-. V, Feb. 1851, mi. — In. VI. pi. ii (raiiama). — 

 S<L.\TKI!, r. Z. S. 185(), 298 (Cordova). — 1 B. U ;"<!», 37;') (Oa.vaoa ; April). — In. Catal. 

 1801, 44, no. ^(U. — .Sci,.vrKU & S.M.viN, lliis, I, 1859, 12 ((iuateniahO. — lUlKl), licv. 

 3'it). Fireo jhiv. IUii!i», Uirds N. Am. 1858, 332. I'hijllumaiics Jtao. t'.vu. Jour. 

 18U1, 93 (Costa Hica). 



Sp. Char. (N"o. 3,976 ^.) Above olive-groeii ; the whole top of head and nape ash- 

 color, the edges of this cap and a loral line dusky, but not very decidedly so. A grayish- 

 white lino from nostrils over the eye. 

 Beneath white, the sides of the neck, 

 breast, and body bright olivaceous-yel- 

 low ; the a.xillars and erissuni rich sul- 

 phur-yellow. On the breast the 3'ellow 

 ext<'nds almost to the median line, the 

 color of opposite sides .separated by a 

 narrow interval. Quills dusky-brown ; 

 margined exti'mully, except at ends of 

 primaries, with olive-green, internally 

 with grayish-white of a deciiled yellow 

 shade. Tail-feathers dark olivaceous-brown, bright olive externally, internally olivaceous- 

 yellow. Iris yellow or " red." 



Bill horn-color, paler below. Legs plumbeous. Wings long and pointed. Second and 

 third quills nearly equal; fourth a little less; first about intermediate between fourth and 

 liilh. Total length, G.OO ; wing, 3.20 ; tail, 2.0t). 

 ILvn. From northern border of Mexico to Isthmus of Panama, especially on west side. 



This species has not yet been recorded as taken within the limits of the 

 United States, but it comes so near to our southern border that it doubtless 

 sometimes crosses the line. Nothing distinctive ajipoars to be known of its 

 habits. 



Vireo Jlavoviriilis. 



