432 BITLLETIN 50, UNITED STATES NATIONAL MUSEUM. 



nithor iiulistiiu-t; middle too with {'law about equal to tarsus; iiuier 

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

 longei". reachino- nearly to ))asc of middle claw; hallux (without claw) 

 decidedly lonoer 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 leno-th to inner toe. 



Coloi'dfloii. — Conspicuously streaked above with black and white, 

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

 Hanks; 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. 



Nidijivathm. — Terrestrial. 



RidK/r. — Eastern North America, south in winter to Greater Antilles 

 and throug'h Mexico and Central America to northern South America. 

 (Monotypic.) 



MNIOTILTA VARIA (Linnaeus). 

 BLACK AND WHITE WARBLER. 



Adult nude.— Pileum with a l)road median stripe of white and two 

 still l)ioa(ler 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 l)roadly tipped with white (forming two conspicuous bands), 

 and tertials broadly edged with white; secondaries and primaries 

 grayish black, narrowly edged with g'ray; middle rectrices black 

 medialh^, gray laterally, the gray l)roader and usually with serrated 

 inargin on inner web; other rectrices grayish ))lack narrowly edged 

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

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

 a broad superciliary stripe white; l)elow this an elongated patch of 

 slightly glossy blue-l)lack covering loral, sulwrbital, and auricular 

 regions; a broad white malar stripe; undei- pt-j'ts maiidy wliite, but 

 throat usually more or less extensively bhu-k;' sides, from chest to 

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

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

 iris brown; legs and feet dusk}' horn-color, the toes palerand (in life) 

 more or less tinged with yellowish; length (skins), 10l>. 2-120.6 

 (115.3); wing, 06.5-70.9 (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, hut tliis more or less broken by white streaks; 

 rarely the black of the tliroat is luiifoi-ni, more rarely still the throat is white or 

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

 of the thn)at covers the chin also. 



■^ Eighteen specimens. 



