. Review of American birds in the Museum of the Smithsonian Institution: pt. 1 . Birds. VIREOSYLVIA. 341. 12 (Guatemala).—Vireo philadelphicus, Baied, Birds N. Am. 1858, 335, pi. 78, fig. 3. Vireosylvia cobanensis, Sclatee, P. Z. S. 1860, 463 (Coban).—Ib. Ann. Mag. N. H. 1861, 328. Hab. Eastern North America to Hudson's Bay and Maine, sontli to Costa Eioa and Guatemala. Not recorded from Mexico or West Indies. (No. 20,643, % .) Above dark olive green, tinged with plumbeous ash ex- cept on the rump; top of head and nape purer plumbeous ash, not edged with dusky, the line of demarcation In- dist
. Review of American birds in the Museum of the Smithsonian Institution: pt. 1 . Birds. VIREOSYLVIA. 341. 12 (Guatemala).—Vireo philadelphicus, Baied, Birds N. Am. 1858, 335, pi. 78, fig. 3. Vireosylvia cobanensis, Sclatee, P. Z. S. 1860, 463 (Coban).—Ib. Ann. Mag. N. H. 1861, 328. Hab. Eastern North America to Hudson's Bay and Maine, sontli to Costa Eioa and Guatemala. Not recorded from Mexico or West Indies. (No. 20,643, % .) Above dark olive green, tinged with plumbeous ash ex- cept on the rump; top of head and nape purer plumbeous ash, not edged with dusky, the line of demarcation In- distinct. Beneath light sulphur yellow, paler and almost white on chin and middle of abdomen; sides more olivaceous. A whitish stripe from bill over eye, as also a patch beneath it and the eyelids ; a dusky loral and post-ocular spot. Quills and rectrices brown, edged exter- nally with olive, internally with whitish; the larger coverts with paler outer edges. Bill blackish, paler plumbeous below. Legs plumbeous. Spurious outer or first quill (seen in gitva) wanting; the outer about equal to 5th; 3d longest; 2d and 4th not much shorter. (No. 20,643, % .) Total length, ; wing, ; tail, ; difference be- tween outer and longest primary, .28, of longest and innermost, .62; length of bill from forehead, .54, from nostril, .30, along gape, .61; tarsus, .65 ; middle toe and claw, .52; hind toe and claw, .44. Specimens vary somewhat in purity of tints, and especially in in- tensity of yellow of under parts, which color is deeper in autumnal skins. I regret that I led Mr. Sclater into an error by informing him that the Vireo subsequently described by him as V. cobanensis was differ- ent from V. philadelphica. The skin forwarded for examination by him appeared to differ in some noticeable points, but those subse- quently received from Mr. Salvin and other sources agree exactly with specimens from Wisconsin and Hudson's Bay. Vireosylvia philadelphica. Smith- soaiiia No. 20,64
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