SYSTEMATIC ARRANGEMENT OF THE GENERA OF BIRDS

(Numbered in accordance with the Plates and Descriptions in this Volume.)

ORDER PASSERES
(PERCHING BIRDS)

Bill various; feet adapted for perching on trees or on the ground (not for grasping, wading, or swimming); toes four, all in the same plane, three before and one behind; claws slender, curved, and acute. Food, various; that of the nestlings, perhaps in all instances, soft insects.

FAMILY TURDIDÆ
(Thrushes)

Bill as long as the head, compressed at the sides; upper mandible arched to the tip, which is not abruptly hooked, notch well marked, but not accompanied by a tooth; gape furnished with bristles; feet long, with curved claws. Food—insects, snails and fruits.

SUB-FAMILY TURDIDÆ

Young in first plumage differ from adults in having the upper and under parts spotted.