BIRDS OF NORTH AND MIDDLE AMERICA. 061 



c. Under parts purer white, less extensively streaked; wing longer (averaging 

 98.47 in male). (Colombia, Venezuela, and Trinidad.) 



Saltator albicollis albicollis (extralimital)^ 



cc. Under parts strongly tinged with olive-yellowish, more extensively streaked; 



wing shorter (averaging 89.92 in male). (Isthmus of Panama, north to 



Chiriqui and Veragua. ) Saltator albicollis isthmicus (p. 669) 



hh. Sides and flanks not distinctly if at all streaked; chest obsoletely streaked; 

 whitish or yellowish superciliary stripe extended to side of occiput. (Islands 

 of Guadeloupe, Dominica, Martinique, Santa Lucia, and Nevis.) 



Saltator guadelupensis (p. 671) 



SALTATOR ATRICEPS ATRICEPS Lesson. 

 BLACK-HEADED SALTATOR. 



Adults {sexes alike). — Piletmi uniform black, .sharpl\^ defined poste- 

 riorly; sides of head mostly black, becoming g-raj-ish or mixed black 

 and gray on suborbital and part of malar region; a gra}^ superciliary 

 stripe, beginning on anterior portion of forehead and extending beyond 

 eyes (sometimes confluent with gray on sides of neck), becoming- 

 white immediately above eyes; back, scapulars, wings, rump, upper 

 tail-coverts, and tail bright yellowish olive-green, brightest on tail, 

 which is rich olive-yellow in some lights; shafts of rectrices and remiges 

 black; inner webs of remiges dusky, also the narrower terminal portion 

 of longer primaries; chin and sides of throat (broadly) black, confluent 

 posteriorly with a broad semicircular collar of black across chest; 

 inclosed within this black marking a large throat-patch (pointed ante- 

 riorly, broad and convex posteriorly) of white, usually finely streaked 

 with black, sometimes tinged with gray posteriorly, '^ breast and other 

 under parts of body ash gra}", becoming slightly paler posteriorly, 

 where tinged with brown on flanks, the thighs more decidedly brown 

 or light olive; under tail-coverts orange-ochraceous, the feathers more 

 olivaceous centrally; liill black; legs and feet (in dried skins) horn 

 brownish. 



Young. — Similar to adults, but black of head and chest duller and 

 without sharp definition; white throat-patch smaller, less sharply 

 defined; mandible and part of maxilla light colored. 



Adult male.— Iji^ngih. (skins), 2-4:1.30-274.32 (260.86); wing, 107.11- 

 126.49 (121.16); tail, 112.27-132.08 (121.41); exposed culmen, 23.11- 

 25.40 (23.88); depth of bill at base, 13.21-15.24 (14.22); tarsus, 

 28.45-30.99 (30.23); middle toe, 20.57-23.11 (21.84).' 



Adult female.—ljQ\\gt\i{&'k\m), 233.68-264.16 (246.13); wing, 106.93- 

 121.67 (114.30); tail, 108.46-124.71 (116.59); exposed culmen, 20.83- 



^ Saltator albicollis Vieillot, Nouv. Diet, d' Hist. Nat., xiv, 1817, 107 ("Cayenne," 

 i. e., Trinidad?). — Saltator maculipedus Lafresnaye, Rev. Zool., 1847, 73 (Colombia; 

 coll. Lafresnaye). — Saltator striatipedus Lafresnaye, Rev. Zool., 1847, 73 (Colombia 

 coll. Lafresnaye.) 



'^This white throat-patch is sometimes tinged with tawny or chestnut, and accord- 

 ing to Dr. Sclater is even occasionally "dark chestnut." 



^ Thirteen specimens. 



