Bill longer than the head; deeper than broad, almost cylindrical; compressed on the sides, notched at the tip; nostrils basal, small and round; wings short; first primary moderate, the fourth the longest; tail rather short and round; tarsi moderately long and somewhat feeble; the inner and middle toes connected as far as the first joint, the outer one the longest.

The only species of this genus yet discovered is a native of the northern parts of Australia, from Cape York to Port Essington, where it frequents the dense beds of Mangroves.

136. Piezorhynchus nitidus, Gould[Vol. II. ] Pl. 88.

Genus Myiägra, Vig. & Horsf.

A group of insectivorous birds, the greater number of which inhabit the Indian Islands and Polynesia, and of which four species are found in Australia.

137. Myiägra plumbea, Vig. & Horsf.[Vol. II. ] Pl. 89.
138. Myiägra concinna, Gould[Vol. II. ] Pl. 90.
139. Myiägra nitida, Gould[Vol. II. ] Pl. 91.
140. Myiägra latirostris, Gould[Vol. II. ] Pl. 92.

Genus Micrœca, Gould.

Generic characters.

Bill shorter than the head, depressed, broad at the base; gonys straight; curving downwards and slightly notched at the tip; nostrils round, placed at the base of the bill, which is beset with strong bristles; wings lengthened and powerful, first primary short, the third the longest; tail rather short and nearly square; tarsi moderate and feeble; toes feeble, the external toe much longer than the internal one.

Three species of this genus inhabit Australia, to which country they are confined.