_a._ No distinct dusky line along side of the crown.
Light stripes of the head dingy brownish-buff; crown scarcely
ashy; back olive-brown; crissum and lining of the wing pure
pale yellow. Wing, 3.20; tail, 2.25; bill, .42. _Hab._
Jamaica; Santo Domingo, Porto Rico, Santa Cruz, St. Thomas,
and Sombrero … var. _calidris_.[70]
Light stripes of the head dingy grayish-white; crown
distinctly ashy; back grayish-olive; crissum and lining of
the wing scarcely yellow. Wing, 3.20; tail, 2.35; bill,
.42. _Hab._ Cuba, Bahamas, and South Florida …
var. _barbatulus_.
_b._ A distinct dusky line along each side of crown.
Colors as in _barbatula_, but “mustache” broader and more
conspicuous, and crown much purer ash. Wing, 3.30; tail,
2.50; bill, .48. _Hab._ Barbadoes … var. _barbadense_.[71]
B. No “mustache.”
_a._ A dusky line along each side of crown.
2. V. olivaceus. Grayish olive-green above; beneath white,
tinged laterally with dull olive; crissum and lining of wing
scarcely yellow; inner edges of quills white. Eyes red.
1. Wing, 3.30; tail, 2.40; bill, .38. _Hab._ Eastern
Province of North America, south to Northern South America …
var. _olivaceus_.
2. Wing, 2.50; tail, 1.80; bill, .33. _Hab._ Eastern South
America … var. _chivi_.[72]
3. V. flavoviridis. Yellowish olive-green above; beneath
white medially, bright greenish olive-yellow laterally;
crissum, lining of wings, and inner edges of quills, light
yellow. Eyes yellow.
1. Wing, 3.15; tail, 2.55; bill, .41. _Hab._ Middle America
north of Panama … var. _flavoviridis_.
2. Wing, 2.80; tail, 2.25; bill, .36. _Hab._ South America,
from Buenos Ayres northward; Guatemala … var. _agilis_.[73]
_b._ No dusky line on side of crown.
4. V. magister.[74] Large. Above sooty-olive, more
virescent posteriorly; crown without ashy tinge. Beneath
similar, but lighter, whitish medially. Crissum and lining of
wing very faintly yellow; inner edges of quills white. Eyes?
Wing, 3.05; tail, 2.40; bill, .45. _Hab._ Honduras (Belize).
5. V. philadelphicus. Small. Above grayish-green; crown
ashy. Beneath light yellow, deepest on the jugulum, whitish
on belly. Eyes? Wing, 2.70; tail, 1.95; bill, .27. _Hab._
Eastern Province of North America; in winter south to Costa
Rica.
_Series II._ (_A spurious primary._)