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. 
é. No trace of dusky streax along side of throat. 
fi. 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 
38.10-3.30, tail 2.15-2.30, exposed culmen .50-.55. 
West 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, 
ete., west to Rocky Mountains or beyond; 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.). 
(78.) Yellow-green Vireo. 
f?. 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 Cozumel, 
Yucatan. 
V. cinereus Ripaw. Cozumel Vireo. 
g. 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 Barrnp. Belize Vireo. 
' Vireosylvia cinerea Ripaw., Descr. N. B. Cozumel, 1885, 2. Vireo cinereus Rinaw., Proc. U. S. Nat. 
Mus. viii. 1885, 565. 
2 Vireosylvia magister “ BatrD, D. 8.” Lawr., Ann, Lyc. N.Y. x. 1871, 20. Vireo magister Satv. & GopM., 
Biol. Centr.-Am., Aves, i. 1881, 191. 
