PIPRISOMA. 641 
Genus PIPRISOMA Blyth, 1844. 
Bill very short and stout, its greatest width considerably more than bill 
from nostril; gonys strongly convex ; wing long and pointed; first (outer- 
most) primary wanting; second, third, and fourth primaries subequal 
and longest; tail extending beyond the end of middle toe. Upper parts 
light brown; breast and abdomen white, streaked with brown. 
651. PIPRISOMA AZERUGINOSUM (Bourns and Worcester). 
RUSTY FLOWERPECKER, 
Prionochilus c@ruginosus BoURNS and WorcESTER, Minnesota Acad. Nat. Sci. 
Occ. Papers (1894), 1, 20. 
Piprisoma ceruginosum GRANT, Ibis (1895), 454; WHITEHEAD, Ibis (1899), 
235; McGrrcor and WorcESTER, Hand-List (1906), 98. 
Cebu (Bourns & Worcester); Lubang (McGregor); Luzon (Whitehead, Mc- 
Gregor); Mindanao (Bourns & Worcester); Mindoro (Everett); Romblon (Mec- 
Gregor) ; Sibuyan (McGregor). 
Adult (sexes alike).—Above dark hair-brown, faintly washed with 
olive; rump and tail-coverts olivaceous; wing-feathers and rectrices 
blackish brown, edged with olivaceous; two outer pairs of rectrices tipped 
with white on inner webs; lores whitish ; white malar line separated from 
throat by a hair-brown line; under parts white; breast, sides of throat 
and of abdomen, and flanks boldly streaked with hair-brown; under tail- 
coverts white with median, basal, brown markings. A male from Luzon 
measures: Wing, 66; tail, 37; culmen from base, 9; bill from nostril, 6; 
greatest width of bill, 6; tarsus, 14. A female from Luzon, wing, 60; 
tail, 33; culmen from base, 10; bill from nostril, 6; tarsus, 13. 
Young.—Similar to the adult but the upper parts darker and clearer 
brown ; stripes on under parts indefinite and almost obsolete; the whole 
plumage is gray rather than brown. ; 
“Found in the forest only. Iris brick-red; legs, feet, and nails nearly 
black ; upper mandible brown, lower gray.” (Bourns and Worcester MS.) 
Family NECTARINIIDZ. 
Bill slender, usually strongly decurved and tapering to the sharply 
pointed tip;.bill as long as head or much longer, without notch or hook, 
but the cutting edges minutely serrated for their distal thirds; rictal 
bristles inconspicuous or lacking; each nostril opening covered by a 
large opercle; first primary less than one-half the second, the latter 
decidedly shorter than third which nearly equals the fourth and fifth; 
tail square, rounded, or strongly graduated. 
Subfamilies. 
a. Bill and head about equal in length; sexes different in colors; plumage of 
male more or Jess metalllic_.:....----....-.22.--2----sseeranee-nenere=ee Nectariniine (p. 642) 
a?, Bill at least twice as long as the head; sexes alike in colors and without 
BPIGbB MiG | PIUMA Re... cute2s esos aescnaeeeeensee ener sorncmencuwnensieon= Arachnotherinz (p. 662) 
