382 



NUUTII AilKlUCAN BIRDS. 



SUUOKNUS VIREO, VlEll.U 

 Vii- ViKii,!., Ois. Am. Sept. 1, 1807, 83. (Tyix-, Musciaijui noveboracensh, O.m.) 

 CiiAH. Wiiijrs short uiul loiiiulud, a littlo longer tlum tlic tail, equal to it, or shorter. 



Virpo iiovebnractnsis. 



Fiist primary (li.stiiict ami larsrc, from two firtiis to half or more the length of the second, 

 shorter or not longer than the eighth. 



Tlie characters of Virvo are essentially 

 those of VireoHijlvia ; the bill, however, is 

 shorter ; the first (|iiill always present, better 

 developed, sonietiuies more than half the 

 second. The wings are shorter, and more 

 rounded; the tarsi usually longer. The 



Yireo noveboracensh. SeCtionS are aS foUoWS I 



Vireo. Wing.s iminteil ; first quill less tlian half the .seooiid, which is about equal 

 to seventh or eighth, and decidedly longer than the tenth primary and the secondaries. 

 Type, V. novehnracenms. 



VirecneUa. Wings rounded, scarcely longer than the tail ; the first quill half as long 

 as the second (or more than half), which is not longer than the tenth piimary and .secon- 

 daries, or even less. Bill and feet generally much stouter than the preceding. Type, V. 

 gundlachi 



None of the species of Virconella are found in the United States. 



Species. 



C0M.M0N GiiARAOTKns. All the .species olivaceous or ashy above, beneath whit- 

 ish, or olivaceous-yellow. Wings with light bands. A light stripe from bill 

 over the eye, but not beyond it, except in carmioU. Iris brown, as far as known, 

 except in F. noveboracensis, where it is white. 

 A. Two conspicuous light bands mi wing. 



a. Sexes dilfercnt. Whole lore white. 



1 . V. atrlcapiUuB. Above olive-green, outer edges of tail-feathers 

 bright yellov/isli -green ; wing-bands greenish-white. Sides oliva- 

 ceous-jellow. Male. Head and neck (except lore, orbital ring, chin, 

 and throat) deep black ; lower parts pure white medially. Female 

 with the black replaced by dull .slate ; lower parts ochraceous-white 

 medially. Wing, 2.30; tail, 1.80; tarsus, .08; bill, from nostrU, 

 .24. Hab. Southern Texas ; llazatlan, Mexico. 



b. Sexes alike. Lore dusky, with light mark above it. 



