Bill slender and Warbler-like, but first primary only one-third as long as the fourth.

Family 67. THRUSHES, BLUEBIRDS, ETC. Turdidæ.

Tarsus 'booted', without scales, ([see foot of Robin] under Synopsis of Order Passeres); tail square; mandible notched and slightly hooked; outer primary an inch or less in length; second to fourth of about equal length.

COLOR KEY TO

NORTH AMERICAN BIRDS

Order I. DIVING BIRDS.

PYGOPODES.