riREO. 477 



greenish postei'ior'.y ; beneath decidedly tinged later- 

 ally with olive-yellow; -wing-bands narrow, tinged 

 with olive-yellow ; length 4.25-4.75, wing 2.40-2.45 

 (2.43), tail 2.00-2.10 (2^06), bill from nostril .26-.29 

 (.28), tai-sus .72-.76 (.75). Jfab. California (resident). 

 t^SO.) G32. V. huttoni Cass. Hutton's Vireo. 



p. Paler and graj-er, with longer wings and tail and 

 (usually) more slender bill ; above olive-gray, tinged 

 with olive-green posteriorly ; beneath very faintly 

 tinged laterally with olive-yellowish ; wing-bands 

 broader, pure white; length 4.90-5.20, wing 2.50-2.G5 

 (2.58), tail 2.10-2.20 (2.16), bill from nostril .25-.30 

 (.28), tai'sus .70-.75 (.72). Hnb. Mexico, western 

 Texas, New Mexico, Arizona, and Lower California. 

 632a. V. huttoni Stephens! Brewst. 

 Stephens's Vireo. 

 c'. Sides (from car-coverts to flanks, inclusive) light tawnj*. 



Above light brown, becoming more tawny on forehead, the sec- 

 ondaries, primaries, and tail-feathers edged with pale olive; 

 two bands across wing, and edges of tertials, white ; lores, 

 orbits, and median lower parts white ; wing about 2.50, tail 

 about 2.15. Hab. Island of Cozumcl. Yucatan. 



V. bairdi RiDOW. Baird's Vireo." 

 6'. Wing not much longer than tail (the difference less than length of cxuo:^ed 

 culmen). 

 c'. Lower parts white 'usually more or less tinged with grayish or olive 

 laterally). 

 (P. TVing less than 2.50. tail less than 2.25. 



e'. Middle wing-coverts not distinctly, if at all. tipped with white; 

 bill from nostril less than .30. 

 Above plain gray, more or less tinged with olive-green- 

 ish posteriorly (sometimes on back also); greater wing- 

 coverts (sometimes middle coverts also) narrowly, and 

 not very distinctly- or abruptly, tipped with white; a 

 rather indistinct supraloral streak and orbital ring 

 grayish white, the lower poi'tion of lores (from bill to 

 eye) grayish or dusky; lower parts white, the sides 

 and flanks tinged, more or less strongly, with olivc- 

 gi'ayish and pale yellow ; length 4.80-5.25, wing 2.10- 

 2.30 (2.17), tail 2^03-2.20 (2.09), bill from nostril .25- 

 .29 (.27), tarsus .70-.80 (.72). Kest in bushes, in 

 thickets. Eggs .67 X -48. JIab. Southern and central 



I Virrn bnirdi RiDGW., Dc-cr. Ncw Sp. B. Coiumel, Feb. 26, ISS5, 2; Proc. f. S. Xat. Mu3. yiii. 1SS5, 



