IBIDID.E — THE IBISES — PLEGADIS. 



97 



Plegadis guarauna. 



THE WHITE-FACED GLOSSY IBIS. 



? Scolopax guarauna, Linn, S. N. I. 1766, 242, no. 1 (based on Xumenius amiericanus fu&cus, Bitiss. 



Av. 5, p. 330. — Guarauna, Marcgr. Bras. 204). 

 FalcineUus (juarauiia, Boxap. Consp. II. 1855, 159. — Elliot, P. Z. S. 1877, 505. 

 Ibis (juarauna, Wagl. Syst. Av. 1827, sp. 8. — Cass, in Baird's B. N. Am. ed. 1860, pi. 87, 



(young). — RiDGW. Am. Nat. 1874, 110, 111 (critical). 

 Plegadis guarauna, Ridgw. Xoin. N. Am. B. 1881, no. 504. — CouES, Check List, 2d ed. 1882, 



no. 650. 

 11 Mexican Ibis, Lath. Synop. III. i. 1785, 108, no. 5. 

 11 Tantalus mexicanus, Gmel. S. X. 1. ii. 1788, 652 (based on Numeniits mexicanus varius, Briss. 



Av. 5, p. 338, no. 7). 

 '^ Ibis falcinellus " (most quotations from South America). 

 "Ibis Orf^ii "(quotations from Mexico, Central and South America). — Cass, in Baird's B. N. Am. 



1S5S, 685 (excl. synonymy). 

 Tantalus chakojderus, Temm. PI. Col. 511 (1830), (adult). 

 "FalcineUus igncus," Scl. & Salv. Nom. Xeotr. 1873, 126 (part). 

 1 1bis erythrorhynchus, GovLn, P. Z. S. Nov. 14, 1837, 127 (Hayti ; young?). 

 Ibis thalassinus, Ridgw. Am. Nat. YIII. Feb. 1874, 110, 111 (young in first plumage). 

 FalcineUus 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 I 



Sp. Char. Adult : Feathers bordering the base of the biU, 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. 

 Bin dusky, sometimes tinged with reddish ; lores, eyelids, and naked skin of chin lake-red or 

 pale carmine ; iris crimson ; legs and feet varying from grayish brown to deep lake-red. 



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 



