\ na':()xiD.E — THE viukos. 3.39 



* 



yellow. Winir, 3.20 ; tail, 2.2.') ; bill, .42. Huh. Jamaica ; Santo 

 Duiniiigo, Porto Rico, Santa Cruz, St. Thomas, and Sombrero. 



var. c ti I id r is .^ 

 Light stripes of the head dingy grayish--\vhite ; crown distinctly 

 ashy ; back grayish-olive ; crissum and lining of the wing scarcely 

 yellow. Wing, 3.20; tail, 2.3'); bill, .42. JIab. Cuba, Bahamas, 

 and South Florida ....... var. h d r bat nl u s . 



b. A distnict dusky line along each side of crown. 



Colors as in barbatuld, but " mustache " broader and more con- 

 spicuous, and crown much purer ash. Wing, 3.30; tail, 2.50; bill, 

 .48. I/ab. Barbadoes var. barhn dense? 



B. No " mustache." 



a. A dusky line along each side of crown. 



2. V. olivaceus. (Jravish olive-ijn^en above; beneath white, tinired 

 laterally with dull olive; crissum and lining of wing scarcely ydlow ; 

 inner edges of quills white. Eves red. 



1. Wing, 3.30; tail. 2.40; bill, .38. Hab. Eastern Province of 

 North America, south to Northern South America . var. nJ i rtt ccua. 



2. Wing, 2.50 ; tail, 1.80 ; bill, .33. Hab. Eastern South Ameriira. 



var. cliivi? 



3. V. flavoviridis. Yellowish olive-green above; beneath white medi- 

 ally, bright greenish olive-yellow laterally ; crissum, lining of wings, and 

 inner edges of quills, light yellow. Eyes yellow. 



1. Wing, 3.15 ; tail, 2.55 ; bill, .41. Hub. Middle America north of 

 Panama ........ var. fl a r o v i r i d is. 



2. Wing, 2.80; tail, 2.25; bill, 30. Hub. South America, from 

 Buenos Ayres northward ; Guatemala .... var. agilis.* 



b. No dusky line on side of crown. 



4. V. magister.^ Large. Above sooty-olive, more virescent posterior- 

 ly; crown without ashy tinge. Beneath similar, but lighter, whiti.sh 

 medially. Crissum and lining of wing very faintly yellow; inner edges 

 of quills wliite. Eyes ? Vv^ing, 3.05 ; tail, 2.40 ; bill, .45. Hab. Hon- 

 duras (Belize). 



5. V. philadelphicus. Small. Above grayish-green; cr«)wn ashy. 

 Beneath light yellow, deepest on the jngulnm, whitish on belly. E\-es? 

 Wing, 2.70; tail, 1.95; bill, .27. Hab. Eastern Province of North 

 America; in winter south to Costa PJca. 



Series IT. (A spitrions j^rimary.) 



C. No dusky line along side of crown. No '* mustache."' 



G. V. gilva. p]yes hazel (in all ?). 

 a. Crown nearly like the back. 



Above olive-gray, rump more virescent ; crown more ashy. Be- 

 neath diiiixv whitish, with a strouL' tinire of dingv bull' from bill 



1 Vircosyh'ia mlidris, Baiho, Uev. Am. Birds, 1SG5, 329. {Motacilla calidris, L. Syst. Nut. 

 10th ed. 1758, 184.) 



^ V. cnlidris var. harlmdcnsc, RiDow.w. 



^ V. olivncca var. chivi. Fireosiflcia chivi, DaiiiD, Rev. 327. (Siflvia chivi, VilJLL. Nouv. 

 Diet. XI, 1817, 174.) 



* V. flavoviridis var. agilis. Vircosylcia agilis, BAinn, Kev. 338. {Lanius af/ilis, Licht. 

 Verz. Doubl., 1823, no. 52G.) 



* r. vuigi.stcr, ILviUD. 



