partly concealed by short bristly feathers. Proportions of parts ordinary. Feet of ordinary length, rather strong; tarsus compressed, about the length of the middle toe, anteriorly scutellate, covered behind with two longitudinal plates, meeting at an acute angle; toes free, scutellate above; claws of ordinary size, arched, convex above, canaliculate beneath.
Plumage compact, glossy. Feathers of the head elongated into a crest, the posterior ones recurvate. Wings longish, the third and fourth quills longest, the first short. Tail very long, graduated, of twelve feathers, of which the two central are slightly curved, and greatly exceed the rest in length.
Bill and feet brownish-black. Iris hazel. The general colour of the plumage is bright blue, with purple reflections. The fore neck and anterior part of the breast black; the rest of the under parts white. The inner webs of the quills dusky, the four outer feathers of the tail white towards the tip.
Length 31 inches, extent of wings 26; bill along the ridge 11⁄3, tarsus 2, middle toe 2.
