160 Richmond New Subspecies of Steno2isis Cayennensis. 



webs with buff; feathers of rump and upper tail-coverts with black shaft 

 streaks, the latter with indications of black cross-bars; nape, pale cin 

 namon; wing-coverts and tertiaries similar in color to the back, the 

 former spotted with buff and pale cinnamon; primary coverts, clove 

 brown, with Mars brown markings on outer webs. Chin, throat, abdo 

 men, and narrow line on forehead, white; lores, a narrow line over and 

 under eye, ear-coverts, and sides of neck, pale cinnamon, with black and 

 white markings; a patch of feathers on sides of throat, cinnamon, tipped 

 with black; breast and sides of body, pale cinnamon, mixed with white 

 and more or less barred and mottled with black; under wing-coverts, 

 Mars brown, mottled with black, the innermost feathers, and axillaries, 

 white. Under tail-coverts, deep brownish buff; middle tail feathers, 

 drab gray, with fine dusky vermic illations and crossed by about nine 

 irregular blackish bars; next three pairs of feathers mainly blackish on 

 outer webs and tips (basal third mottled with pale cinnamon and black), 

 inner webs white, with an oblique black bar near the middle of the 

 feather; outer pair of feathers white, with an oblique black bar on the 

 inner webs, and a small mottled patch at tip. Outer primaries, clove 

 brown, with a grayish shade on outer webs and tips; a broad white bar 

 across the four outer feathers; inner primaries, clove brown, with Mars 

 brown markings on the outer webs; secondaries, blackish, with white 

 tips, tinged with pale cinnamon on the innermost; outer webs mottled 

 with Mars brown. Wing feathers at base, white, mottled with pale cin 

 namon. Wing, 130 mm.; tail, 113mm.; tarsus, 18mm.; culmen, 12mm. 

 This subspecies is closely related to 8. cayennensis, but is smaller and 

 paler, of clearer color, with darker under tail-coverts. 



