Todd — New South American Birds. 75 



black, the four outer ones with a white spot about midway of their length, 

 confined to the inner web on the outermost, and increasing in size towards 

 the inner feathers, being 7 mm. wide on the fourth primary (from the 

 outside), but merely indicated on the fifth; secondaries black, with in- 

 complete and irregular bars of chestnut; sides of head rich brown (argus 

 brown), the auricular region almost uniform, but elsewhere mottled with 

 black ; chin and upper throat mottled black and antique brown ; sides of 

 the throat silky white, forming two distinct spots, separated by a line 

 of black-tipped ochraceous buff feathers; breast and rest of under parts 

 rich buff, paler posteriorly, barred with black, this barring more regular 

 on the flanks and crissum; under wing-coverts similar; tail black, the 

 outermost pair of rectrices with an oblong white spot on the inner web 

 at the tip, the next two pairs with broad white tips on both webs (25 mm. 

 long), and all marked with indistinct and irregular bands of mottled gray 

 or ochraeous, very conspicuous on the middle feathers, but merely in- 

 dicated on the outermost. Wing (type), 139; tail, 112; exposed oilmen, 

 8; tarsus, 17.5. 



Type, No. 60,854, Collection Carnegie Museum, adult male; Tamanoir, 

 French Guiana, April 24, 1917; Samuel M. Klages. 



