Adult male (type and only specimen).--Ground-color of upper parts black; feathers of head narrowly edged with dull buff, paler on forehead; a narrow median line of pale buff from forehead to nape; hind neck, mantle, rump, and tail-coverts with wavy, broken, cross-lines of dark rusty buff, obsolete on neck; lores and side of head light buff with small black tips to feathers; a patch on each side of neck pale vinaceous-buff with narrow black cross-lines; chin and throat white, each feather with narrow buff tips, middle of abdomen white; rest of lower parts rusty buff or clay-color, a trifle lighter than in T. worcesteri; each feather on sides of breast marked with a wide black bar; primaries, secondaries, primary-coverts, and alula drab-gray; first primary and first feather of alula edged exteriorly with ocherous-buff; secondary-coverts and inner secondaries with wide edges of ocherous-buff preceded by large black spots or bars; wing-lining and axillars drab-gray; tail bluish slate and hidden by the long coverts. Length, 130; wing, 65.5; tail, 18.1; exposed culmen, 11.5; depth of bill at angle of gonys, 4; tarsus, 20; middle toe with claw, 18.5. The only specimen known was taken on a grassy hill near the town of Guindulman, in Bohol, June 22, 1906. It is closely related to T. suluensis. 10. TURNIX WORCESTERI McGregor. WORCESTER'S BUTTON QUAIL. Turnix worcesteri McGregor, Bull. Philippine Mus. (1904), 4, 8, pl. 1, fig. 1; McGregor and Worcester, Hand-List (1906), 8. Luzon (McGregor).