432 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



rather indistinct; middle toe with claw about equal to tarsus; inner 

 toe with claw falling much short of base of middle claw, the outer 

 longer, reaching nearly to base of middle claw; hallux (without claw) 

 decidedly longer than inner toe with claw, equal to outer toe and about 

 half the claw; basal phalanx of middle toe united for nearly its whole 

 length to outer toe, for more than half its length to inner toe. 



Coloration. — Conspicuously streaked above with black and white, 

 beneath white, streaked with black or dusky at least on sides and 

 flanks; wings and tail black, the former with two white bands, the lat- 

 ter with inner webs of lateral rectrices extensively white terminally; 

 primaries and rectrices edged with gray. 



Nidification. — Terrestrial. 



Range. — Eastern North America, south in winter to Greater Antilles 

 and through Mexico and Central America to northern South America. 

 (Monotypic.) 



MNIOTILTA VARIA (Linnaeus). 

 BLACK AND WHITE WARBLER, 



Admit male.— Pileum with a broad median stripe of white and two 

 still broader lateral stripes of black, slightly glossed with blue; rest of 

 upper parts (except remiges and rectrices) slightly glossy blue-black, 

 the back and scapulars streaked with white, middle and greater wing- 

 coverts broadly tipped with white (forming two conspicuous bands), 

 and tertials broadly edged with white; secondaries and primaries 

 grayish black, narrowly edged with gray; middle rectrices black 

 medially, gray laterally, the gray broader and usually with serrated 

 margin on inner web; other rectrices grayish black narrowly edged 

 with gray, the two outermost with a large terminal space of white on 

 inner web, and all with inner webs edged with white; orbital ring and 

 a broad superciliary stripe white; below this an elongated patch of 

 slightly glossy blue-black covering loral, suborbital, and auricular 

 regions; a broad white malar stripe; under parts mainly white, but 

 throat usually more or less extensively black;' sides, from chest to 

 flanks, inclusive, broadly streaked or striped with blue-black; under 

 tail-coverts black centrally, broadly margined with white; bill black; 

 iris brown; legs and feet dusky horn-color, the toes paler and (in life) 

 more or less tinged with yellowish; length (skins), 109.2-120.6 

 (115.3); wing, 66.5-70.9 (68.6); tail, 42.7-51 (48.5); exposed cul- 

 men, 10.2-12.9 (11.4); tarsus, 16.5-17.8 (17).' 



• Usually the whole throat is black, but this more or less broken by white streaks; 

 rarely the black of the throat is uniform, more rarely still the throat is. white or 

 with only a few black streaks; as a. rule the chin is white, but sometimes the black 

 of the throat covers the chin also. 



^ Eighteen specimens. 



