572. HORORNIS MINUTUS (Swinhoe).
LITTLE BUSH WARBLER.

Calayan (McGregor). Hainan, Askold Island, southern China.

Adult.—This species differs from H. canturians in being much smaller, and the tail-feathers appear to be less pointed. Length, about 145. A male from Calayan measures: Wing, 62; tail, 61; culmen from base, 14; bill from nostril, 9; tarsus, 22. A female, wing, 62; tail, 60; culmen from base, 13; bill from nostril, 8; tarsus, 22. Exposed portion of first primary little more than one-half of second; fourth and fifth equal and longest.

In the Philippine Islands the little bush warbler is known only as a winter visitant to Calayan Island.

573. HORORNIS SEEBOHMI (Grant).
PHILIPPINE BUSH WARBLER.

Luzon (Whitehead, McGregor).