BIRDS OF KORTH AND MIDDLE AMERICA. 73 



Adult male. — Pileum and side.s of head black, relieved b_y a broad 

 superciliary stripe (extending to nape) and broader malar stripe of 

 white; chin white; throat with a median stripe of bright yellow, 

 inclosed between two broad lateral stripes (narrower and more pointed 

 anteriorly, broader and rounded or subtruncate posteriorly) of l)lack; 

 space between posterior portion of these black lateral throat-stripes, 

 more or less of the chest, sides of neck, and band across hindneck 

 chestnut, the nuchal collar broken below by deep olive-3-ellowish tips 

 to the feathers; back and scapulars deep yellowish olive-green, passing 

 into olive-yellowish on upper rump and this into chestnut on lower 

 rump; feathers of lower hindneck and upper back with a concealed 

 black transverse spot or bar, separating the terminal yellowish olive- 

 green or olive-yellowish portion from the basal gray part; scapulars 

 sometimes partly blackish; upper tail-coverts black, with tips some- 

 times extensively gray or olive; lesser wing-coverts chestnut; middle 

 coverts black, narrowly margined at tips with yellowish olive-green; 

 rest of wing black, the greater coverts and tertials broadly, the other 

 secondaries more narrowly, the primaries very narrowly, edged with 

 white; primaries (except outermost) with outer webs abruptly w^hite 

 at base, forming a more or less extensive spot or patch; tail black, the 

 outer webs of rectrices very narrowly edged with white, inner web 

 of middle pair broadly edged with white, and inner webs of two outer- 

 most extensively white terminally (nearly the terminal half on outer- 

 most rectrix), the third sometimes with a white spot at tip of inner 

 web; outer web of lateral rectrix mosth' white; breast and upper 

 abdomen rich yellow (lemon, sometimes approaching indian, yellow); 

 lower abdomen, anal region, and under tail-coverts white, the last with 

 a large concealed spot of grayish on each web; sides and flanks light 

 grayish olive; maxilla black, mandi))le grayish (bluish gray in life ?) 

 with dusk}' tip; legs and feet grayish dusky (])luish gray in life ?); 

 length (skins), 152.4-1(35.1 (159); wing, 76.2-86.1 (SI. 5); tail, 63-68.1 

 (66); exposed culmen, 12.2-12.1 (12.2); depth of l)ill at base, 7.6-8.9 

 (8.1); tarsus, 20.6-22.6 (21.1); middle toe, 11.5-15.2 (15).' 



Adult female. — Similar in coloration to the same sex of S. zena 

 toumsendi^ but larger and bill nuich stouter. Al)ove plain olive; wings 

 dusky, the greater coverts and tertials edged with whitish or very pale 

 olive, the other secondaries edged with light greenish olive, the 

 primaries with pale grayish; primaries with basal portion of outer webs 

 white, forming a small spot; tail dusky or dark olive-grayish with light 

 greenish olive edgings, the inner webs of lateral rectrices margined 

 terminally with white; under parts pale olive, paler and more grayish 

 on chin and malar region, the abdomen, anal region, and under tail- 

 coverts whitish or yellowish white, the longer under tail-coverts 

 largely pale olive or light gra3nsh brown; bill, legs, and feet as in the 



' Six specimens. 



