. Bulletin - United States National Museum. Science. 132 BULLETIN 50, UNITED STATES NATIONAL MUSEUM Adult female.—Entire head, back, throat, breast, abdomen, sides, wings, and tail (but not upper and under tail coverts) fuscous, be- coming fuscous-black and black on the nape and top and sides of head and sides of neck; streaked with light buff on the throat and breast: the feathers of the middle abdomen and the upper wing coverts tipped with dull russet, the scapulars, and secondaries nar- rowly tipped with cinnamon buff and mikado brown to avellaneous; upper and under tail coverts, primaries,


. Bulletin - United States National Museum. Science. 132 BULLETIN 50, UNITED STATES NATIONAL MUSEUM Adult female.—Entire head, back, throat, breast, abdomen, sides, wings, and tail (but not upper and under tail coverts) fuscous, be- coming fuscous-black and black on the nape and top and sides of head and sides of neck; streaked with light buff on the throat and breast: the feathers of the middle abdomen and the upper wing coverts tipped with dull russet, the scapulars, and secondaries nar- rowly tipped with cinnamon buff and mikado brown to avellaneous; upper and under tail coverts, primaries, and rectrices as in male; thighs bright russet barred with fuscous black; soft parts apparently as in Figure 12.—Rostrkamus sociabilis. Suhadult male.—Similar to adult male but with the upperparts tinged with fuscous and the chin, throat, breast, and middle of the abdomen, broadly streaked with cinnamon-buff, the streaks becoming darker and more rufous, almost to deep chestnut on the breast. Suhadult female.—Similar to adult female above except that the entire top of the head and the nape are streaked white and black, the individual feathers being white basally and black terminally ;^^ entire underparts whitish to pinlcish buff heavily streaked with fuscous-black; the thighs cinnamon-buff; under wing coverts cinnamon- buff streaked with fuscous-black. Juvenal (sexes alike).—Similar to suhadult female but the under- parts more ochraceous-tawny; the under tail coverts washed with buff; above fuscous-black or black; the forehead and anterior part of the crown ochraceous-tawny streaked with black (the tawny becoming more rufescent on the crown); cheeks and auriculars pale ochi'aceous-tawny with a broad fuscous band running from the poste- " This is also true of the adult, but there the black areas are larger and hide the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorat


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience