BIRDS OF NORTH AND MIDDLE AMERICA. 651 



Coloration. — Plain brownish gray above, grayish white beneath, 

 shading into light brownish gray latei-ally; sexes alike. 

 Nidification. — Unknown. 

 Range. — Island of Santa Lucia, Lesser Antilles. (Monotypic.) 



LEUCOPEZA SEMPERI Sclater. 

 SEHFER'S WARBLER. 



Adults {sexes alike). — Above uniform blackish slate, gradually fading 

 into pale gray (no. 7 to no. 9) on chin, throat, and chest, the breast 

 and abdomen still paler, or dull whitish, tinged with buff; sides and 

 flanks slate-gray; under tail-coverts mouse gray or smoke gray, more 

 or less tinged with brownish buffy; maxilla brownish black or dusky 

 brown, with paler tomia; mandible similar, but paler or browner; 

 iris brown;' legs and feet pale yellowish brown in dried skins (whitish 

 in life).' 



Immature.- Similar to adults, but more or less tinged or washed 

 with olive-brown on upper parts (at least on rump, upper tail-coverts, 

 and tail) and with brownish buff on lower parts. 



Adidt male.— L&ngih {skins), 135-140(137.5); wing, 67-71 (69); tail, 

 :2; exposed culmen, 16; tarsus, 22-25 (23.5); middle toe, 13-16(14.5).' 



Adult female.— Length (skins), 125-142(136); wing, 62-67(64.3); 

 tail, 49-63 (51.3); exposed culmen, 15-16 (15.3); tarsus, 22-23 (22.3); 

 middle toe, 14.' 



Island of Santa Lucia, Lesser Antilles. 



Leucopeza semperi Sclater, Proc. Zool. Soc. Lond., 1876, 14, pi. 2 (Santa Lucia, 

 W. I.; coll. P. L. Sclater); 1889, 395.— Lawrence, Ann. N.Y.Acad. Sci., 

 1878, 151.— Allen, Bull. Nutt. Orn. Club, v, 1880, 166.— Cory, Auk., iii, 

 1886, 40; Birds W. I., 1889, 54; Cat. W. I. Birds, 1892, 18, 119, 133.— Sharpe, 

 Cat. Birds Brit. Mus., x, 1885, 228, 638.— Ridgway, Proc. U. S. Nat. Mus., 

 xii, 1889, 129 (Port Castries, Santa Lucia). 



[Leucopeza] semperi Cory, List Birds W. I., 1885, 8. 



Genus MICROLIGEA Cory. 



Ligea (not of Dybowski, 1876) Cory, Auk, i, Jan., 1884, 1. (Type, L. palustris 



Cory.) 

 lAgia (emendation; not of Fabricius, 1798, nor Dupr6, 1829) Sharpe, Cat. Birds 



Brit. Mus., X, 1885, 349. 

 Microligea* Cory, Auk, i, July, 1884, 290. (Type, Ligea palustris Cory.) 



Medium sized terrestrial Mniotiltidse with the commissure shorter 

 than middle toe with claw but longer than middle toe without claw; 

 coloration very plain, the upper parts olive-green, becoming slate- 

 gray on pileum and hindneck, under parts pale gray laterally, whitish 

 medially. 



' H. Selwyn Branch, manuscript. 



' Two specimens. 



' Three specimens, two of them doubtfully determined. 



*"MiKpoi, AiyEia, in the sense of little wood-nymph." 



