IBIDID.E — TTI]'; IBISES — PLEGADIS. 



97 



Plegadis guarauna. 



THE WHITE-FACED GLOSSY IBIS. 



1. Scolopax guarauna, Linn. S. N. I. 1766, •2-42, no. 1 (based on Xuniciiius ameriainusfusms,'B\\\iiii. 



Av. 5, p. 330. — Uuarauna, MAncoit. Bras. 20-1). 

 Falcindlus yuaramm, Bonap. Cousp. II. 1S55, 159. — Elliut, P. Z. S. 1877, 505. 

 Ibis guarauna, Wagl. Sy.st. Av. 1827, sp. 8. — C'a.ss. iu Baird's B. X. Am. ed. ISCO, pi. 87, 



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

 Plegadis guarauna, Kidgw. Norn. N. Am. B. 1881, no. 50i. — Copes, Cheek List, 2d ed. 1SS2, 



no. 650. 

 ?? Mexican Ibis, Lath. Syiiop. III. i. 1785, 108, no. 5. 

 ?? Tantalus mcxicanus, Gmel. S. N. I. ii. 1788, 652 (based on Numaiius mexicanus varius, Briss. 



Av. 5, p. 333, no. 7). 

 "Ibisfaldnellus" (most quotations IVom Soutli America). 

 "Ibis 0/-(i('J "(quotations lioni Mc.\ico, Central and South America). — Cas.s. in Baird's B. N. Am. 



1858, 685 (exd. synonymy). 

 Tanlalus clutkopterus, Tem.m. PI. Col. 511 (1830), (adult). 

 " Fulcincl/us igncKS," Slx. & Sai.v. Noni. Neotr. 1873. 126 (part). 

 ? Ibis ertjthrorhyiichus, GouLn, P. Z. S. Nov. 14, 1837, 127 (Hayti ; young ?). 

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

 Falcincllus thalassinus, Elliot, 1'. Z. .'^. 1877, 507. 



Hab. Western United States, iliddle America, and South America, to Chili and Buenos 

 Ayres, West Indies >. Samhvich Islands } 



Sp. Char. Adult : Feathers bordering the base of the bill, all round, ii:hitish, usually most distinct 

 on the forehead. Pileuui dull metallic \'iolet-purplc, changing to green, the feathers blackish 

 beneath the surlace ; rest of the head cinimmon-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 tlie dusky has, in certain 

 lights, a faint greenish lustre. Lower neck, entire lower parts (except the crissuiu, anal region, 

 axillars, and tlanks), 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 purpli-sh, 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 Ijurnished. 

 BiU dusky, sometimes tinged with reddi.sh ; 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 bro^V]l, the head and njiiier part 

 of the neck streaked with white; back grayish brown with gre«i or purple reflections. Otherwise 

 as in the adult, but metallic colors less brilliant. 



VOL. I. — 13 



