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Show 342 AVES. All this variety of size and colours can hardly authorise any generic distinctions. There are only the J;'AROQ.UETS A TROMPE, Vaill. Which possess characters sufficiently well marked to claim a separation from the others. Their short, square tail, and their crest composed of long and narrow feathers, assimilate them to the Cockatoos. Their cheeks are naked, as in the Ara, but their enor. mous upper mandible, and the very short lower one, which cannot be made to close, their cylindrical tongue, terminated by a small horny knob, split at the apex, and susceptible of being greatly pro· trurled from the beak, their legs, naked a little above the heel, and finally, their short and flat tarsi on which they often rest in walking, distinguish them from all other Parrots. But two species are known, both natives of the East Indies. (I) A subgenus might also perhaps be made of the PEZOPORus, Illig.-PERRUOHES INGAMDEs, Vaill. Which have a weaker beak, more elevated tarsi, and straighter nails than the other parrots. They walk about on the ground, and seek their food among the grass.(2) There are two African birds, closely allied to each other, and generally placed among the Scansorire, which appear to me to have some analogy with the Gallinacere, and especially with the Hoccos. They have the tail and wings of the Hoccos, and like them perch on trees ; the beak is short, and the upper mandible gibbous; there is a short membrane between the fore-toes, but the external one, it is true, is often directed backwards Vaill. 66;-Ps. fringillaceus, Vaill. 71, or porphyrocephalus, Sh. Misc., 1;-~8• pltigy, Vaill. 64;-Ps. xantlwpter-igius, Spix, XXXIV, 12;-Ps. gregariu8, SplX, XXXIV, 3, 4·. (1) Psittacus ater-rimus, Gm., or Ps. gigas, Lath. Edw. 316;-Ps. goliath, Kub\ or l'.ll.ra noird trompe, Vaill. per. I, pl. xii and xiii;-L'.Il.ragris d trompe, Id.Ib. pl. ii, is perhaps a variety of the same. The name of trompe is not exactly co~ rect. The tongue is not hollow, and in fact all that can be properly styled tongue is the little horny piece which invests the extremity of the cylinder. See Geoff. Saint.Hill. Ap. Vl, Gal. 4. From this subdivision M. Vieillot has made his genus MicnoGLossus, Galer. pl. 1. (2) Ps. formosus, Vaill., I, 32; Sh. Misc., 228;-Ps. Novre·Zelanditt, Lath.1 Mus. Carls., 28;-Ps. cornutus, Lath., Syn. Supp. III, pl. viii. , SCANSORiiE. 343 like that of the Ululre. Their nostrils, also, are simply pierced in the horn of the beak, the edges of the mandibles are dentated, and the s~ern.um (at least that of' the Touraco) has not those large emargmatwns, so common in the Gallinacere. There are two genera of these birds : the first is, CORYTHAIX, Illig.(l) Or the Touracos, in which the beak does not mount on the forehead, and the head is furnished with an erectile tuft. The most common species, Cuculuspersa, L.; Enl. 6,01; Vaill., Prom., &c., 16 and 17 is found in the vicinity of the cape of Good Hope. It is a bea~tiful green, with part of the quills of the wings crimson. It builds in hollow trees, and feeds on fruit.(2) The second is the MusoPHAGA, Isert. Or the Plantain-eaters, so called, because their principal food is the fruit of the banana. They are characterised by the base of the beak forming a disk, which partly covers the forehead. The species known is M. violacea, Vieill. Galer. 47; Touraco violet, Vaill., Pro~ er., &c., pl. 18. Circumference of the eyes naked and red; VI.olet-coloured plumage; occiput and primary quills of the wwgs, crimson; a white line passes below the naked space round the eye. Inhabits Guinea and Senegal. ORDER IV. GALLINACE£.-GALLINlE, Lin. These birds are so called from their affinity with the Domestic Cock, and like it, generally have the upper mandible arched, the (1) Vieillot has changed tbis name into 0l'JETJius. li (2) Add the Touraco-geant, Vaill., Prom. and Guep., pl. 19;-the Touraco Pau(;; Temm., Col. 23, or Oprethus erythrolophus, Vieill. Galer. 49;-the Touraco n (Plw.sianus africanus, Lath.) Vaill., 20, or M.usophage varie, Vieill. Galer. 48. |