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Show 508 MR. D. G. ELLIOT ON THE IBIDIN.E. [June 5, third extremely compressed laterally and forming a distinct elevated ridge above the maxilla. Nostrils set in a membrane at the base of culmen. Secondaries as long as the primaries, extending three fourths the length of the tail. Middle toe and tarsus of equal length ; outer toe longer than inner. Skin around base of bill, extending backwards and including the eye, denuded of feathers, in the skin jet black. Feathers on top of head dark green, in some lights with a coppery tinge. From the occiput springs a long loose crest, dark metallic grass-green, central part of some of the feathers dark buff. Upper parts bright shining olive-green, coppery in some lights. Neck and entire underparts rich dark buff, every feather edged with dark olive-brown. Wings bright metallic shining grass-green. Primaries and secondaries Prussian blue. Under tail-coverts dark grass-green. Bill bright red. Feet and legs red. Total length without bill 16^ inches ; wings 10^, tail 6, bill along culmen 4^, tarsus 2. Young similar to the adult, but wants the brilliant colouring of the wing, which is a dark green with Prussian-blue primaries aad secondaries ; and the underparts are dark olive-brown, with an occasional deep buff centre among the feathers. The specimens described are in the collection of m y friend Capt. Shelley. 24. EUDOCIMUS ALBUS. Tantalus albus, Linn. Syst. Nat. (1766) p. 242. sp. 6 ; Gmel. Syst. Nat. (1788) p. 651. sp. 6; Lath. Ind. Orn. (1790) vol. ii. p. 705. sp. 9 ; Wils. A m . Orn. (1814) vol. viii. pl. 66; Bon. Wils. A m . Orn. (1832) vol. iii. p. 64, pl. lxvi. fig. 3. Courly blanc di Amerique, Buff. Pl. Enl. no. 915. Scolopax alba, Bodd. Tab. Pl. Enl. Daubent. (1783) p. 55. White Ibis, Lath. Gen. Syn. (1783) vol. iii. p. 3. sp. 9. Tantalus albus, var. b, Lath. Ind. Orn. (1790) vol. ii. p. 705. Tantalus coco, Jacquin, Beyt. Gesch. Vog. (1784) p. 13. sp. x.; Gmel. Syst. Nat. (1788) vol. i. p. 652. sp. 15. Ibis alba, Vieill. Nouv. Diet. Hist. Nat. (1817) vol. xvi. p. 16; id. Ency. Me'th. torn. iii. p. 1145 (1823) ; Wagl. Syst. Av. (1827) sp. 5; Less. Trait. Ornith. (1831) p. 567, sp. 5; Wagl. Isis (1832) p. 1231 ; Nuttall, Orn. U. S. (1834) vol. ii. p. 8 6 ; Bon. Comp. List (1838) p. 49. sp. 317; Aud. B. Amer. 8vo ed. (1842) vol. vi. p. 54, pl. 360; id. Orn. Biog. vol. vii. p. 173, vol. v. p. 593; G. R. Gray, Gen. Birds (1847) vol. hi. p. 565. sp. 2; Baird, B. N. Amer. (1860) p. 684; Schleg. Mus. P.-Bas (1863) livr. 4, p. 5 ; Gray, Hand-1. Birds (1871) pt. iii. p. 3 8 ; Gundl. J. f. O. (1871) p. 272 ; Sclat. & Salv. Nomencl. Av. Neot. (1873) p. 126. Ibis coco, Vieill. Nouv. Diet. Hist. Nat. (1817) vol. xvi. p. 19 • id Ency. Meth. (1823) torn. iii. p. 1148. Ibis longirostris, Wagl, Isis (1829) p. 760 ; G. R. Gray, Gen. Birds (1847) vol. iii. pt. iii. p. 39. p. 565. sp. 3, pl. 152; id. Hand-1. Birvd s (18:7 1) |