PIPRISOMA. 641 



Genus PIPEISOMA 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 >ERUGINOSUM (Bourns and Worcester). 

 RUSTY FLOWERPECKER, 



Prionochilus ceruginosus Bourns and Worcestee, Minnesota Acad. Nat. Sci. 



Occ. Papers (1894), 1, 20. 

 Piprisoma cvruginosum, Grant, Ibis (1895), 454; Whitehead, Ibis (1899), 



235; McGregor and Worcester, Hand-List (1906), 98. 



Cebu (Bourns & Worcester) ; Lubang [McGregor) ; Luzon {Whitehead, Mc- 

 Gregor) ; Mindanao [Bourns Jc Worcester); Mindoro [Everett); Romblon (Mc- 

 Gregor); Sibuyan (McGregor). 



Adult (sexes alike). — Above dark hair-brown, faintly washed with 

 olive; rump and tail-eoverts 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-broAvn 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, Q6; tail, 37; culmen from base, 9; bill from nostril, 6; 

 greatest width of bill, 6; tarsus, 14. A female from Luzon, wing, GO; 

 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 NECTARINIID^. 



Bill slender, usually strongly decurved and tapering to the sharply 

 pointed tip ; bill as long as head or much longer, without notcli 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. 



Subfa^nilies. 



o'. Bill and head about equal in length; sexes different in colors; plumage of 

 male more or less metallic Nectariniinae (p. 042) 



a*. Bill at least twice as long as the head; sexes alike in ctilors and without 

 metallic plumage Arachnotherinae (p. 662) 



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