VIUEOS. 



329 



The Yeixow-ouekn ViKKo (6^,5. l'.^flavovln'iliii),& Mcxicun and Central 

 American species, lias been once recorded from Godljout, rrovinco of Quebec. 



686. Vireo philadelphiciu iCunii.). PinLAi>Ei.i>iiiA Vikko. .(>/.— 

 Upper parti< lijjht olive-jjtrecn; the crown sonietiuiert jrrayish; a whitish line 

 over the eye; win^s and tail ed(.'t'd with olivc-trrecn ; no wiM>f-l)arN; tirnt 

 primary nearly a» long un second ; entire under parts nearly uniform jmle, 

 greenish yellow. L., 4-75; W., 2-t)0; T., l-!t5; B. from N., -M. 



h'emarkit. — The pale, greenish-yellow color spread almost unifc/nnly over 

 the entire under jjarts distinguisiies this bird from our other Vireos. 



liatujt. — Ea.xtern North Anicricu; breeds in Manitoba, Maine, and proba- 

 bly north to Labrador; and winters in the trojiics. 



Wasliington, very rare T. V., May 17. Sing Sing, rare T. V., Sept. 20 to 

 Oct. 20. C'ambritige, very rare T. V. in Scj't. 



Nent^ pensile, of tine grass and birch bark, suspended from a forked branch 

 about eight feet from tiic ground. E(jg», four, similar in color to those of V. 

 oliLaceun (Thompson). 



This species resembles the Rod-eyed Vireo in liabits, and Mr. Brew- 

 ster writes that its song is so nearly identical witli the song of that spe- 

 cies " that the most critical ear will, in many cases, find great difiiculty 

 in distinguishing between the two. The notes of philadelphicns are 

 generally pitched a little higher in the scale, while many of the utter- 

 ances are feebler and the whole strain is a trifle more disconnected. 

 But these differences are of a very subtile character, and, like most 

 comparative ones, they are not to be depended upon unless the two 

 species can be heard together. The Philadelphia Vireo has, however, 

 one note which seems to be peculiarly its own, a very abrupt, double- 

 syllabled utterance with a rising inflection, which comes in with the 

 general song at irregular but not infrequent intervals. I have also on 

 one or two occasions lieard the male when in pursuit of his mate utter 

 a soft pseuo, similar to that sometimes used by Vireo olivaceus, and 

 both sexes when excited or angry have a harsh, petulant note exactly 

 like that of V. ijilvus'' (Bull. Nutt. Orn. Club, v, 18«1, p. 5). 



687. Vireo gilvus i ViiiU.). WAunLiNo Viueo. ^(/.— Upper parts 

 a.shy olive-grcen ; no wing-bars; wings and tail edged with the color of the 

 back ; first prinuiry ?v ry 

 »hi:rt. not more than 100 

 in length ; under parts 

 white slojhtly washed 

 with yellowish. L., o-SO ; 

 \V., 2-85 ;T., 214 ;li. from 

 N., -30. 



Itaiiffi'. — North Amcr- 



Fio. 92.— Wing of Warbling Vireo, to show short first 

 primary. 



ica; breeds as far north as the Hudson Ray reirion ; winters in the tropics. 

 Washington, rather common S. R., A pi. 28 to Sept. 10. Sing Sing, tolera- 



