oG6 



NORTH AMKRKWX BIKD.^. 



have tlie ]M)\vor to regurijjitate by tlif Itill pellets of iiulij^'estible portions of 

 their lood. 



The ej^'^'s of this Vireo vary t^reatly in size, accoicinj^ to the locality ; the 

 farther south the smaller they are lound. ( )ne, marked on tlie shell East 

 Tennessee, June 1, 1858, Alex. (Jerhardt, measures .78 by .52 of an inch, 

 while one from Halifax, Nova Scotia, measures .1)5 l)y .(35. The ground- 

 color of all is a clea crystal white, ancl they are marked chietly at the Lirger 

 end with si)ots and finer dots of red-brown. 



Mr. liobert Kennicott, in his notes, speaks of findin/ a nest of the Ked- 

 eyed Vireo at the Cumberland House, Saskatchewan, June 28. Incubation 

 had not yet commenced. The ])ensile and neatly built nest was suspended 

 about four feet from the ground, ui)on a hazel-bu h. The parent, when 

 scared from it, remained near until she was k'lljd. 



Vireosylvia flavoviridis, Cassln. 



YELLOW-GREEN VIBEO. 



Vireofi/Iria flaw Cassin, Pr. A. N. Sc. V, Feb. ISal, l.'>2. —Id. VI. pi. ii (Panama).— 

 S( LATKK, r. Z. S. 1856, 298 (Cordova). —Ic. 1859, 375 (Oaxaca ; April). — In. Catal. 

 ISOl, 44, no. •204. — 8ci,ATKii & Salvin, Ibis, I, 1859, 12 (Cuatemala). — BAiiin, Kev. 

 330. Viirn jhtr. IJaikI), Birds N. Am. 1S58, 332. rhijUuinaiics flao, Cab. .lour. 

 1801, 93 (Costa Kica). 



Sp. Char. (Xo. 3,076 ^.) Above olive-prreen ; 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 <rrayish- 



white hue from nostrils over the eye. 

 Beneath white, the sides of the neck, 

 breast, and body bright olivaceous-yel- 

 low ; the axillars and crissuni rich sul- 

 phur-yellow. On the breast the yellow 

 extends almost to the median line, the 

 color of opposite sides separated by a 

 narrow interval. Quills dusky-brown ; 

 margined externally, except at ends of 

 primaries, with olive-green, internally 

 Avith gravish-white of a decided vellow 

 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; lirst about intermediate between fourth and 

 tiilh. Total length, G.OO; wing, 3.20; tail, 2.00. 



IIah. 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 appears to be known of its 

 habits. 



Vireo flavoviridis. 



