BIRDS OF NORTH AND MIDDLE AMERICA. 531 



KEY TO THE SPECIES OP BLACICUS. 



Wings without distinct bands. (Adults.) 



b. Posterior under parts whitish or pale dull yellowish: tail more or less distinctly 



eniarginate, the lateral rectrices decidedly longer than middle pair. 



c. Above more grayish olive; a whitish orbital ring (interrupted on upper eyelid); 



bill and feet relatively larger (exposed culmen and tarsus each averaging more 



than 15 mm.). 



d. Upper parts grayer, under parts more grayish and whitish; wing, tail, and 



bill averaging shorter, tarsus longer (wing 71.9, tail 62.6, exposed cuimen 



15.4, tarsus 15.8 in male, 68.3, 60.5, 15.2, and 15.5, respectively, in female). 



(Bahama Islands.) Blacicus bahamensis (p. 532) 



dd. Upper parts more olivaceous, under parts more olivaceous and yellowish; 

 wing, tail, and bill averaging longer, tarsus shorter (wing 74.1, tail 67.3, 

 exposed culmen 15.9, tarsus 15.4 in male, 69.6, 65.3, 15.6, and 15.2, respec- 

 tively, in female). (Island of Cuba, including Isle of Pines.) 



Blacicus caribseus (p. 533) 



cc. Above more brownish olive; no whitish orbital ring; bill and feet relatively 



smaller (exposed culmen averaging less than 15 mm., tarsus averaging not 



more than 15 mm.). 



d. Above clearer (less brownish) and (usually) slightly darker olive; larger 



(male averaging wing 73.5, tail 66.5, exposed culmen 14.7, tarsus 5; female 



wing 68.8, tail 62.9, exposed culmen 14.3, tarsus 14.5). (Island of Haiti.) 



Blacicus hispaniolensis (p. 535) 

 dd. Above more brownish olive; smaller (male averaging wing 69.4, tail 64.3, 

 exposed culmen 13.3, tarsus 14.3; female averaging wing 67.3, tail 64.1, 

 exposed culmen 12.4, tarsus 14.3). (Island of .laniaica. ) 



Blacicus pallidus (p. 536) 

 bb. Posterior under parts pale fulvous, cinnamon-buffy or cinnamon-rufous; tail 

 even, double-rounded, or rounded, the lateral rectrices shorter than middle 

 pair, 

 c. Chin and at least upper throat pale grayish or dull whitish; chest shaded with 

 olive; tail more slightly double-rounded (sometimes nearly even), the rec- 

 trices without paler tips. 

 d. Above less brownish olivaceous, beneath with fulvous deeper and more 

 extended, invading lower throat; upper throat and chin dull ])ale grayish 



tinged with fulvous. (Island of Porto Rico.) Blacicus blancoi (p. 537) 



dd. Above more brownish olivaceous, beneath with fulvous paler, mostly 

 restricted to abdomen, etc.; chin and whole throat dull olive-whitish. 

 (Islands of Dominica, Guadeloupe, and Martinique.) 



Blacicus brunneicapillus (p. 538) 

 cc. Chin and throat deep c-innamon or buffy cinnamon-rufous, like rest of under 

 parts, the chest not shaded with olive; tail more strongly I'ounded, the rec- 

 trices tipped with paler. (Island of Santa Lucia, Lesser Antilles.) 



Blacicus latirostris (p. 539) 



a. ^^ ing with two distinct buffy or cinnamomeous Ijands (across tips of middle and 



greater coverts). (Young.") 



b. Upper tail-coverts and feathers of rump (usually those of pileum also) with paler 



tips or terminal margins; abdomen yellowish white, buffy, or pale cinnamon. 



c. Abdomen yellowish white or very pale primrose yellowish; wing-bands paler 



(buffy) and narrower. 



Blacicus bahamensis, young (p. 532); Blacicus caribseus, young (p. 534) 



o The young of B. latirostris not seen by me. 



