NO. 1116. PROCEEDINGS OF THE NATIONAL MUSEUM. 589 



broad wliite bars, mostly concealed, except on longer feathers, where 

 the whitish bars nearly equal the dark brown interspaces in extent; 

 secondaries darker brown than wing- coverts, crossed by fonr or five 

 (exposed) broad obsolete bars of a still darker shade, and margined 

 terminally with pale grayish brown; primaries brownish black, slightly 

 grayer on outer webs, where traces of obsolete darker bars can be dis- 

 covered on second to fourth quills; inner webs of primaries, on under 

 surface, anterior to emarginations, grading from white on first quill to 

 brownish gray on the innermost, all marked with broken bars and 

 freckling of brownish gray; niuler wing-coverts plain dark sooty brown, 

 the greater series rather paler and barred, especially on inner webs, 

 with light grayish. Upper tail-coverts barred on outer webs with white 

 and dark brown, their inner webs with light grayish brown and dark 

 brown, the lighter and darker bars nearly equal in width. Tail gray- 

 ish brown, with more or less of a hoary cast (especially on the newer 

 feathers), crossed, beyond tips of upper coverts, by about nine bars of 

 dusky, of which the last is broadest and succeeded by a narrow term- 

 inal band of whitish brown (dirty white on newer feathers). Bill gray- 

 ish black, i^aler (light bluish in life!) basally; cere yellowish; legs and 

 feet yellowish, claws grayish black. ^ Length (skin), 19.25; wing, 

 15.50; tail, 8; culmeu, 1.07; tarsus, 3.03; middle toe, 1.70. 



Adult female {darlc phase). — No. 11G058, U.S.lSr.M.; Indefatigable 

 Island, April 12, 1888; C. H. Townsend. Similar to the adult male, as 

 described above, but under parts (except under tail-coverts) quite uniform 

 dark sooty brown; inner webs of primaries, anterior to emarginations, 

 without bars, but thickly freckled with darker and lighter brownish 

 gray. Length (skin), 21; wing, 16.10; tail, 8.55; culmen, 1.25; tarsus, 

 3.20; middle toe, 1.95. 



Young female.— 1^0. 131672, U.S.KM.; Chatham Island, March 30, 

 1891 ; C. H. Townsend. General color of upper parts dark sooty brown, 

 but this broken on head and neck by streaks of buff and on back, 

 scapulars, wing-coverts, and rump by subbasal spots and edgings of 

 the same; remiges as in adults; upper tail-coverts irregularly barred 

 with sooty brown and ochraceousbuff; tail grayish brown, washed 

 with hoary gray on middle feathers, crossed by numerous bars of dusky 

 (narrower than in adult), which become obsolete toward the base of the 

 tail, the last one much the broadest, and narrowly tipped with pale 

 brown or dirty brownish white; the inner webs of the rectri<;es light 

 pinkish buff, shaded with grayish brown and marked with irregular 

 narrow dusky bars, rather more distinct than those on outer webs. 

 Under parts deep ochraceousbuff, marked with shaft streaks and tear- 

 shaped spots of dark sooty brown, largest on belly and flanks, the 

 thighs, under tail-coverts, and under wing-coverts transversely spotted 



^Mr. Adams, in his manuscript notes, describes the fresh colors of a female (age 

 not stated) as follows.- "Iris ochraceous-buff; cere naples yellow; feet and legs 

 maize yellow," 



