. Birds. Birds. GAIXIN^. 65 their distribution is normal, the flexorperforans digitorum supply- ing the three anterior digits, whilst the flexor longus halluds â passes to the hallux or posterior digit alone (see Vol. I, p. 3). The ambiens muscle is present, as are also the accessory femoro-caudal, the semitendinosus, the accessory semiteudinosus, and, except in Pea- fowl and Turkeys, the femoro-caudal, so that in general all the thigh-muscles are developed (see Vol. Ill, p. viii). Csaca o£ the intestines are large. Both carotids are present, except in Mega- podius, which has only the left on
. Birds. Birds. GAIXIN^. 65 their distribution is normal, the flexorperforans digitorum supply- ing the three anterior digits, whilst the flexor longus halluds â passes to the hallux or posterior digit alone (see Vol. I, p. 3). The ambiens muscle is present, as are also the accessory femoro-caudal, the semitendinosus, the accessory semiteudinosus, and, except in Pea- fowl and Turkeys, the femoro-caudal, so that in general all the thigh-muscles are developed (see Vol. Ill, p. viii). Csaca o£ the intestines are large. Both carotids are present, except in Mega- podius, which has only the left one. The palate is schizognathous ; the nasals holorhinal. True basipterygoid processes are wanting, but there are sessile facets situated far forward on the sphenoidal rostrum. Cervical ver- tebrae 16. The sternum has two deep incisions in the posterior border on each side of the keel; the inner xiphoid process be- tween the two is shorter than the outer, which is bent over the hinder ribs and expanded at the end. The episternal process of the rostrum is completely perforated to receive the inner ends of the Fig. 13.âThe Bternum of Lophophorus refulgens (Huxley, P. Z. S. ] 868, p. 297): r, rostrum; , costal process; , metosteon; , external xiphoid process; , iuternal xiphoid process; , lophosteon, bearing the carina (.or keel), and ending behind in , the middle xiphoid process. All members of the order nest on the ground (the nidification of the Meyapodiidm is peculiar) and lay numerous eggs. The young are hatched covered with down, usually coloured with a pattern, and are able to run very soon after leaving the egg. Gallince are generally distributed, but are divided into two sub- orders, one of which is essentially northern, the other southern, being almost confined to the Australian and Neotropical regions (see Huxley, P. Z. S. 1868, p. 294). The former is well repre- sented in India; of the latter a single species is found m the Nico
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