470 NORTH AMERICAN BIRDS. 



tinged with olive laterally, the axillars and under 

 tail-coverts yellowish white, or very pale sulphur- 

 yellow. Length about 5.50-5.75, wing 3.00-3.25, tail 

 2.20-2.50, exposed culmen .57-.65. Eggs .78 X -58. 

 Hab. Cuba, Bahamas, and southern Florida. 



623. V. altiloquus barbatulus (Cab.). 

 Black-whiskered Vireo. 

 e^. No trace of dusky streas; along side of throat. 



p. Top of head dull ash-gray, margined along each side by a 

 dusky streak ; rest of upper parts olive-greenish. 

 g^. Sides and flanks tinged with grayish olive ; axillars 

 and under tail-coverts white, or very faintly tinged 

 with sulphur-yellow ; length 5.50-6.50, wing about 

 3.10-3.30, tail 3.15-3.30, exposed culmen .50-.55. 

 Nest usually in small trees, in woods, usually less 

 than ten feet from ground. Eggs .81 X -56. Hab. 

 Eastern North America, north to Hudson's Bay, 

 etc., west to Rocky Mountains; in winter, south 

 through eastern Mexico and Central America to 

 northern South America. 



624. V. olivaceus (Linn.). Red-eyed Vireo. 

 g^. Sides and flanks bright olive-yellow ; axillars and 

 under tail-coverts clear sulphur-yellow ; length 

 about 6.25-6.75, wing 2.80-3.20, tail 2.05-2.50, ex- 

 posed culmen .55-. 60. Hab. Mexico and Central 

 America, north to Lower Rio Grande Valley, in 

 Texas (accidentally to Godbout, Province of Que- 

 bec), south to Ecuador and upper Amazon. 



625. V. flavoviridis (Cass.). 



Yellow-green Vireo. 



/^ Top of head dull brownish gray or grayish brown, like 



the back and other upper parts. 



g^. Above dull brownish gray ; wing 2.90-3.00, tail 2.35, 



exposed culmen .60-.65. Hab. Island of Cozuniel, 



Yucatan. 



V. cinereus Kidgw. Cozumel Vireo.^ 



^^ Above dull brownish olive ; lower parts duller white 



medially, deeper olivaceous laterally ; wing 3.05, 



tail 2.40, exposed culmen .65. Hab. Coast of 



British Honduras. 



V. magister Baird. Belize Vireo.'' 



1 Vireosylvia cinerea RiDGW., Descr. N. B. Cozumel, 1885, 2. Vireo cinereus Ridgw., Proc. U. S. Nat. 

 Mus. viii. 1885, 565. 



* Vireosylvia magister " Baird, n. s." Lawr., Ann. Lye. N. Y. x. 1871, 20. Vireo magister Salt. & GoDM., 

 Biol. Centr,-Am., Aves, i. 1881, 191. 



