. Handbook of birds of eastern North America . from eye to bill ^. Head lead-blue; wing over 2-50. 629. Blue-headed Vireo. 629a. Mountain ^. Head grayish, nearly like back; wing under 2-50. • 633. Bells Vireo (Illinois). B. Without white wing-bars. a. Under parts yellowish ; first primary as long as fifth. \ 626. Philadelphia Vireo. b. Under parts white; sides washed with yellowish; first primary -75 long. 627. Warbling Vireo. c. Under parts white, with little if any yellowish on sides; head with alead-gray cap, bordered by naiTow black lines over the eye. 624. Eed-eyed Vireo. 62
. Handbook of birds of eastern North America . from eye to bill ^. Head lead-blue; wing over 2-50. 629. Blue-headed Vireo. 629a. Mountain ^. Head grayish, nearly like back; wing under 2-50. • 633. Bells Vireo (Illinois). B. Without white wing-bars. a. Under parts yellowish ; first primary as long as fifth. \ 626. Philadelphia Vireo. b. Under parts white; sides washed with yellowish; first primary -75 long. 627. Warbling Vireo. c. Under parts white, with little if any yellowish on sides; head with alead-gray cap, bordered by naiTow black lines over the eye. 624. Eed-eyed Vireo. 623. Black-whiskered Vireo. 623. Vireo calidris barbatiilus (Cab.). Black-whiskeredVireo. Ad.—Similar to the next , but somewhat duller above andwith a fuscous streak on either side of the throat. Ranrie.—Cuba, Bahamas, and southern Florida; southward to CentralAmerica in winter. Nest., pensile, of dry grasses, shreds of bark, cotton, lichens, and spidersweb, lined with soft, eottonlike fibers, suspended from a forked branch, five. 328 VIREOS. to twenty feet up. Eggs^ three to four, white, with a pinkish hue, speckledand spotted, chietiy at tlic larger end, with reddish brown, -78 x -55. This is a not uncommon summer resident in southern Florida, ar-riving from its winter home in Central America early in May. Itssong resembles that of the Red-eyed Vireo, but is somewhat more hesi-tating and emphatic. 624. Vireo olivaceus {Linn.). Eed-eyed Vireo. Ad. — CrownBlaty gray, bordtred on either side by blackish ; a conspicuous white line overthe eye; rest of the upper parts, wings, and tail light olive-green ; no wing-bars ; under parts pure white. L., 6-23;W., 3-20; T., 2-20; B. from N., -40. EemarJcs.—The well-defixied slaty-gray cap, bordered by narrow blacklines, are the best distinguishing marksof this species. Range.—Eastern North America ;westward to British Columbia; breedsfrom the Gulf States to Labrador and Manitoba; winters in Central andFig. 91.—Red-eyed
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