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The GALLINULES (Porphyrio), the most beautiful of the European Gallinulæ, and known in some countries as the Sultan's Chickens, were regarded by the ancient Greeks and Romans almost as objects of religious worship, and were kept in the neighbourhood of their temples, as though under the special protection of the gods. Even at the present day they are less persecuted than many of their congeners, probably on account of the beauty of their plumage. The members of this group are moderate-sized but powerfully built birds, distinguished by their strong, hard, thick, and very deep beak, which is of about the same length as the head, and at its base expands into a broad callosity, that spreads over the region of the forehead. The tarsi are long, and the feet strong, with large, widely-separated toes. Their wings are of moderate length, the plumage smooth, and remarkable for its rich colouring. These birds are generally to be met with in swampy localities, in the vicinity of fields of corn, or in rice-fields, which as they are almost constantly under water, seem to suit them as well as their favourite marshes. As regards their food, the Sultan's Chickens differ in no respect from the rest of the family. During the breeding season, they are constantly prowling about the ponds in search of the nests of other birds, which they plunder in the most daring manner. Their thefts are by no means restricted to attacks on smaller species; they rifle the larger ones with utter recklessness, so that in any marsh frequented by the Gallinules the broken egg-shells testify to their destructive habits; they likewise often lay in wait for Sparrows after the manner of a cat before a mouse-hole; a single blow with their powerful beak at once destroys their victim, which is speedily torn to pieces and eaten. Tristram mentions having seen an imprisoned bird thus devour young Ducks.

THE HYACINTHINE PORPHYRIO.

The HYACINTHINE PORPHYRIO (Porphyrio hyacinthinus) has the face and fore part of the neck of a beautiful bright blue; the hinder part of the head, neck, and belly and thighs are dark indigo-blue, as are the breast, back, wing-covers, and quills, but these last are more vivid in their tints; the region of the vent is white; the eye is pale red, surrounded by a narrow circle of yellow; the beak and its prolongation over the forehead are brilliant red, and the feet yellowish red. The length of this bird is about eighteen inches and breadth thirty-two inches. In young birds the plumage of the back is greyish blue, and the under parts speckled with white. The Hyacinthine Porphyrio occupies the marshy districts of Spain and Italy, and is probably also to be found in North-western Africa. In North-eastern Africa it is represented by a nearly-allied species, called by the Arabs the "Dickme," to which we have given the name of Porphyrio chloronotus.

This species is to be seen in numbers, which vary with the season of the year, in Sardinia, Sicily, the lake district of the eastern coast of Spain, in the neighbourhood of Albufera de Valencia, upon the coast of Valencia, and near Algiers. Although usually migratory in their habits, many of these birds remain throughout the winter in the vicinity of their breeding-places. In their deportment they remind us of our own Water-hens, but they have a prouder gait, and step with greater freedom.[Pg 106] Their toes spread out so widely that they cover a considerable surface, and each stride is accompanied with a jerking movement of the tail; they are able, moreover, half fluttering and half running, to make their way over a floating surface of aquatic plants. They likewise swim with considerable facility, lying lightly upon the water, and as they row themselves along, constantly bow with their head, as though keeping time with the strokes of their feet. When upon the wing, the beauty of their plumage is fully displayed; their flight, however, is inelegant, they rise unwillingly into the air, and fluttering onwards, fall quickly to the ground, always, if possible, among high reeds, sedge, or rice, amongst which they at once hide themselves. During flight, their long legs hang down behind, and render them easily recognisable at a distance. Their voice somewhat resembles the cackling or clucking of a Hen, reminding us at the same time of that of the Water-hen, but it is of stronger and deeper tone. Like the rest of the family, which it closely resembles in its general habits, this species eats the tender shoots of young corn, grass, and various kinds of grain. When the breeding season approaches, the mated pairs generally resort to rice-fields, and settle down in some place of concealment among the reeds and rushes. Their nest, which floats upon the top of the water, is but a rude agglomeration of dry grass, rice-straw, reeds, and other similar materials. In this roughly-constructed cradle, the female about the end of May lays from three to five eggs, of somewhat elongated shape, with a smooth polished shell, the ground colour of which is dark silvery grey or reddish brown. When first hatched the young are dressed in a suit of dark grey down, their beak, forehead, and legs being of a blueish tinge. They soon learn to swim about and to dive, but their parents continue to watch over them for a considerable period with great tenderness. According to Jerdon, this species is said to destroy large numbers of Wild Ducks' eggs, by sucking them; and one of these birds has been seen to seize a duckling in its huge foot, crush its head, and eat out the brains, leaving the rest untouched.

THE PURPLE GALLINULE.

The PURPLE GALLINULE (Porphyrio chloronotus) is indigo-blue upon the nape and fore-part of the wing, and bright blue on the front of the neck. The breast is indigo-blue, gradually shaded to a slaty-black on the belly. The mantle is dark green. The eye is yellowish brown, the beak blood-red, and the foot brick-red. This species is seventeen inches long and thirty broad. The Purple Gallinule is principally found in the lake districts of Lower Egypt, its presence extending thence east over Syria and the region watered by the Euphrates. As far as our observations enable us to judge, it is a bird of passage, and makes its appearance in Egypt about the end of April, leaving that country in September. It does not, as far as we could learn, ascend the Nile, nor did we ever see it in the countries through which the Upper Nile passes. Its general habits closely resemble those of the species above described.