IBIDIDzE — THE IBISES — PLEGADIS. 
97 
Plegadis guarauna. 
THE WHITE-FACED GLOSSY IBIS. 
? Scolopax guarauna, Linn. S. N. I. 1766, 242, no. 1 (based on Numcnius aviericanus fuscus, Bmss. 
Ay. 5, p. 330. — Guarauna, Marcgr. Bras. 204). 
Falcinellus guarauna, Bonap. Consp. II. 1855, 159. — Elliot, P. Z. S. 1877, 505. 
Ibis guarauna, Wagl. Syst. Av. 1827, sp. 8. - Cass, in Baird’s B. X. Am. ed. 1860, pi. 87, 
(young). — Ridgw. Am. Nat. 1874, 110, 111 (critical). 
Plegadis guarauna, Ridgw. Norn. N. Ain. B. 1881, no. 504. — Coues, Check List, 2d ed. 1882, 
no. 650. 
?? Mexican Ibis, Lath. Synop. III. i. 1785, 108, no. 5. 
?? Tantalus mexicanus, Gmel. S. N. I. ii. 1788, 652 (based on Numcnius mexicanus varius, Briss. 
Av. 5, p. 333, no. 7). 
“ Ibis falcinellus” (most quotations from South America). 
“Ibis Ordii ’’(quotations from Mexico, Central and South America). — Cass, in Baird’s B. N. Am. 
1858, 685 (excl. synonymy). 
Tantalus chalcopterus, Temm. PI. Col. 511 (1830), (adult). 
“Falcinellus igneus," Scl. & Salv. Norn. Neotr. 1873, 126 (part). 
? Ibis erythrorhynchus, Gould, P. Z. S. Nov. 14, 1837, 127 (Hayti ; young?). 
Ibis thalassinus, Ridgw. Am. Nat. VIII. Feb. 1874, 110, 111 ( young in first plumage). 
Falcinellus thalassinus, Elliot, P. Z. S. 1877, 507. 
Hab. Western United States, Middle America, and South America, to Chili and Buenos 
Ayres, West Indies? Sandwich Islands? 
Sp. Char. Adult : Feathers bordering the base of the bill, all round, whitish, usually most distinct 
on the forehead. Pileum dull metallic violet-purple, changing to green, the feathers blackish 
beneath the surface ; rest of the head cinnamon-brownish, paler on the throat, where lightest 
anteriorly ; neck cinnamon-chestnut, the feathers blackish beneath the surface, this showing where 
the feathers are disarranged, and quite conspicuous on the nape, where the dusky has, in certain 
lights, a faint greenish lustre. Lower neck, entire lower parts (except the crissum, anal region, 
axillars, and flanks), back, anterior scapulars, and lesser wing-coverts uniform rich chestnut, darker 
and more purplish above, lighter and more ferruginous or clearer reddish beneath. Rest of the 
plumage glossy metallic green, bronze, purple, and violet; the green purest and clearest on the 
primaries ; the secondaries and greater coverts more bronzy, the middle coverts and posterior half 
of lesser covert region purplish, changing to dull green ; the crissum and rump mixed green and 
purple, the green being of a richer, almost grass-green, shade, especially on the rump. Axillars and 
under wing-coverts bronze-purple ; under-surface of remiges and rectrices very highly burnished. 
Bill dusky, sometimes tinged with reddish ; lores, ej^elids, and naked skin of chin lake-red or 
pale carmine ; iris crimson ; legs and feet varying from grayish brown to deep lake-reel. 
Young, second year : Head, neck, and lower parts dull grayish brown, the head and upper part 
of the neck streaked with white ; back grayish brown with green or purple reflections. Otherwise 
as in the adult, but metallic colors less brilliant. 
VOL. I. — 13 
