Part 251

Cebu (Everett, Bourns & Worcester, McGregor).

Male.--Similar to D. dorsale, but the upper parts and sides of head and of neck lighter, nearly indigo-blue; feathers of occiput and neck fringed with olivaceous; under parts more uniform in color and the orange of breast less rich. Males with the appearance of maturity have the base of the bill dull yellow. Length, about 90; wing, 50; tail, 25; culmen from base, 11; bill from nostril, 7.5; tarsus, 14.

Female.--Above olive-green; below tea-green; chin, middle of breast and of abdomen, and crissum bright lemon-yellow. Wing, 48; tail, 22; culmen from base, 12; bill from nostril, 8; tarsus, 13.

"Measurements of eleven males: Length, 89; culmen, 14; wing, 49; tail, 26; tarsus, 13. Of four females: Length, 84; wing, 48; tail, 25; tarsus, 12." (Bourns and Worcester.)

"Iris brown; legs, feet, and nails dark brown; bill black. Breeding in July." (Bourns and Worcester MS.)

631. DICÆUM XANTHOPYGIUM Tweeddale.

YELLOW-RUMPED FLOWERPECKER.

Dicæum xanthopygium Tweeddale, Ann. & Mag. Nat. Hist. (1877), 20, 95; Proc. Zool. Soc. (1877), 698, pl. 73, fig. 1; Sharpe, Cat. Birds Brit. Mus. (1885), 10, 40; Grant, Ibis (1895), 454 (critical notes); Whitehead, Ibis (1899), 234; McGregor and Worcester, Hand-List (1906), 97.

Luzon (Everett, Whitehead); Marinduque (Steere Exp.?) Mindoro (Steere Exp., Bourns & Worcester, McGregor); Polillo (McGregor).

Male.--Rump bright lemon-yellow, otherwise scarcely different from the male of D. dorsale. A male from Mindoro measures: Wing, 47; tail, 19; culmen from base, 10; bill from nostril, 7; tarsus, 11.

Female.--Rump pale lemon-yellow, otherwise similar to the female of D. dorsale. A female from Mindoro, wing, 46; tail, 20; culmen from base, 10; bill from nostril, 6; tarsus, 11.

"Two males average: Length, 82; wing, 47; tail, 21; culmen, 13; tarsus, 12; middle toe with claw, 13. Iris dark brown; bill, legs, feet, and nails black." (Bourns and Worcester MS.)

632. DICÆUM INTERMEDIUM Bourns and Worcester.

INTERMEDIATE FLOWERPECKER.

Dicæum intermedium Bourns and Worcester, Minnesota Acad. Nat. Sci. Occ. Papers (1894), 1, 19; McGregor, Phil. Jour. Sci. (1906), 1, 775; McGregor and Worcester, Hand-List (1906), 96.

Romblon (Bourns & Worcester, McGregor); Tablas (Bourns & Worcester, Celestino).

Male.--Upper parts, including sides of head and of neck, and exposed edges of wing-feathers and rectrices slate-blue, or dark indigo-blue; patch on center of back orpiment-orange; rump faintly washed with olive-green; lores black; chin and throat light ashy gray faintly and uniformly washed with pale yellow; remainder of under parts bright yellow inclining to orange on middle of breast. Iris brown; bill, legs, and nails black. Wing, 51; tail, 25; culmen from base, 11; bill from nostril, 9; tarsus, 14.

Female.--Above mouse-gray faintly washed with dull olive-green; below tea-green, becoming pale yellow on middle of breast and abdomen and on crissum. Base of bill whitish. Wing, 51; tail, 24; culmen from base, 12; bill from nostril, 8.5; tarsus, 14.

"Four males average: Length, 94; wing, 52; tail, 26.5; culmen, 14; tarsus, 13; middle toe with claw, 15. Three females, length, 92; wing, 49; tail, 26; culmen, 14; tarsus, 13; middle toe with claw, 14. Iris dark brown; legs, feet, and nails dark brown; bill brown to black, yellowish at base." (Bourns and Worcester MS.)

633. DICÆUM SIBUYANICUM Bourns and Worcester.

SIBUYAN FLOWERPECKER.

Dicæum sibuyanicum Bourns and Worcester, Minnesota Acad. Nat. Sci. Occ. Papers (1894), 1, 18; McGregor, Bur. Govt. Laboratories (1905), 25, 18; McGregor and Worcester, Hand-List (1906), 96.

Sibuyan (Bourns & Worcester, McGregor).

Male.--Similar to the male of D. intermedium, but the rump more heavily washed with olive-green; chin and throat clear ashy gray without the yellow wash. Iris brown; bill black; legs and nails dark steel-blue. Wing, 56; tail, 26; culmen from base, 14; bill from nostril, 9; tarsus, 14.

Female.--Similar to the female of D. intermedium. Wing, 52; tail, 24; culmen from base, 13; bill from nostril, 9; tarsus, 14.

"Average measurements from nine males: Length, 99; culmen, 15; wing, 53; tail, 26; tarsus, 13. From two females: Length, 97; culmen, 15; wing, 50; tail, 24.6; tarsus, 14." (Bourns and Worcester.)

634. DICÆUM ASSIMILE Bourns and Worcester.

SULU FLOWERPECKER.