BIRDS OF NORTH AND MIDDJ.E AMERICA. 101 



VIREOSYLVA JOSEPH^E CHIRIQUENSIS Bangs. 

 CHIRIQTJI VIREO. 



Similar to V. j. eostrnv'coi.s/.s l)ut nmch grayer above, the pileuin and 

 liindneck dark hair brown" instead of deep sooty brown, the back, etc., 

 graA'ish olive or dull g-rayish olive-green instead of bright brownish 

 olive-green, superciliary stripe more extensively grayish posteriorly, 

 l)rownish postocular streak grayer and less distinct, and yellow' of 

 under parts decidedly paler. 



Adxh tnale.—l^ength (skins), llU-lK) (111.6); wing, 63-67 (64:.9); 

 tail, 46-49 (47.4); exposed culmen, 10-11 (10.4); tarsus, 17-18 (17.3); 

 middle toe, 10-10.5 (10.1).'' 



Adult female. — Length (skin), 110; wing, 63. ,5; tail, 45. ,5; exposed 

 culmen, 11; tarsus, 17; middle toe, lO.'" 



Chiriqui (Boquete, etc.), and southward along Caribbean coast slope 

 of Colombia to province of Santa Marta (Paramo de Macotama). 



This form agrees very closely in coloration of the upper parts with 

 V. am.auronota, the color of the pileuni being sometimes quite identical 

 but usually gra^ver (instead of ])rowner, as in the Costa Rican form), 

 hut the ])ack is a lighter olive-greenish color. The coloration of the 

 under parts is conspicuous!}' different, however, only the chin and 

 throat being whitish, the rest of the under surface entire!}^ pale vellow, 

 as in the Costa Rican form. 



Vireo joseplue (not of Sclater, 1859) Salvix and Godmax, Biol. Centr.-Am., 

 Aves, i, 1881, 194, part (Volcan de Chiriqui).— Gadow, Cat. Birds Brit. 

 Mns., viii, 1883, 297. part ("Panama").— Baxgs, Proe. Biol. Soc. Wash., 

 xiii, 1899, 105 (Paramo de Macotama, prov. Santa ^Nlarta, Colombia, 11,000 

 ft. alt.); Proc. New Engl. Zool. Club, iii, 1902, 58 (Boquete and Caribbean 

 slope of Volcan de Chiriqui, 4,000 to 7,000 ft.).— Allex, Bull. Am. Mus. 

 N. H., xiii, 1900, 172 (Valparaiso, etc., prov. Santa Marta, Colombia). 



IVireosylvmlJosephie Sclater and SAhYia, Nom. Av. Neotr., 1873, 12, part. 



Vircosylva joseplix chiriquenms Bangs, Proc. New Engl. Zool. Club, iv, "Shu: 24. 

 1903, 9 (Boquete, Chiriqui, 4,000 ft. alt.; coll. K. A. and O. Bangs). 



Genus LANIVIREO Baird. 



Laniviren Baikd, Rep. Pacific K. K. Surv., ix, 1S58, 329; Review Am. Birds, 



:May, 18(i(j, 326, .345. (Type, Vireo _tf(^'r{fro)).'< VieilU)t. ) 

 Latiiuvireo (emendation) (Jkav, Iland-list Birds, i, 18()9, 381. 



Medium-sized Vireonida^ with tenth primary i-udimcntary and con- 

 cealed or else not more than one-third as long as ninth, iian-ow and 

 pointed (as in Vh'rosi/lvn), the ninth primary longer than fourth (as in 

 T7?W67//7-«), but with depth of bill at frontal antia> equal to much more 



«The color of the pileum is visibly darker along the lateral edge, sometimes form- 

 ing a rather distinct martrinal line. 

 ''Five specimens. 

 •^ One specimen. 



10384— VOL 3—03 U 



