252 
AVES. 
ophthalmic region black; irides brown. Three and a half feet 
long. Inhabits Europe. 
Genus 14.—ARGALA.— Brown. 
Generic Character. —Bill greatly longer than the head, very 
strong, conical, and slightly curved from the base, which is as 
thick as the head, tapering to an obtuse point; ridge but little 
elevated; nostrils ovate, situated near the base of the bill; 
head and neck divested of feathers; neck with a long naked 
fleshy pendulous appendage ; nape covered with down in place 
of feathers; legs long; tibia wholly naked ; feet with three 
anterior toes united to the first joint by a scalloped membrane ; 
hallux rather long, and resting on the ground; wings of medium 
length, the first quill longest. 
Argala gigantea. — Gigantic Argala, or Adjutant. 
Plate LXII. fig. 1. 
Back, wings, and tail, dull black ; under tail-coverts consist¬ 
ing of plumes of pure white; abdomen and crissum white; 
throat and pouch flesh-colour; bill livid yellow, with a beard of 
feathers under it; irides nearly white; legs dull black. Seven 
feet high. Inhabits Asia. 
Genus 15.—MYCTERIA.— Latham. 
Generic Character. —Bill very long, thick, smooth, laterally 
compressed, acute; upper mandible trigonal, straight; lower 
mandible more thickened and retrousse ; nostrils longitudinal, 
narrow, situated remote from the base of the bill; legs long, 
strong; three quarters of the tibia naked ; feet with three an¬ 
terior toes, slightly united at their base by a membrane; hal¬ 
lux situated high on the tarsus, with its point resting on the 
ground ; wings long, the third, fourth, and fifth quills longest. 
Mycteria Americana. — The American Jabiru. 
Plate LV. fig. 7. 
White ; bill, head, upper part of the neck, and legs, black ; 
lower part of the neck flesh-coloured and naked; irides red. 
Four feet high. Inhabits America. 
