BIRDS OF NORTH AND MIDDLE AMERICA. 651 



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

 shading into light brownish graj" laterally; sexes alike. 

 NUJification. — Unknown. 

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



LEUCOPEZA SEMPERI Sclater. 

 SEMPER'S WARBLER. 



Adults [se.ee-'i alil'(). — Above uniform blackish slate, gradually fading 

 into pale gra}' (no. 7 to no. 9) on chin, throat, and chest, the l)reast 

 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 hi'ownish l)uffy; maxilla brownish black or dusky 

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

 iris brown ;^ legs and feet pale yellowish l^rown in dried skins (whitish 

 in lifo).^ 



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

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

 :ind tail) and with l)rownish ])uti' on lower parts. 



Adidt /;/«/<'.— Length (skins), 135-140(137.5); wing, 67-71 (69); tail, 

 o:^; exposed culmen, 16; tarsus, 22-25 (23.5); middle toe, 13-16(11.5).' 



Adult female.— luQngih (skins), 125-112 (136); wing, 62-67 (61.3); 

 tail, 49-53 (51. .3); exposed culmen, 15-16 (15.3); tarsus, 22-23 (22.3); 

 middle toe, 14.* 



Island of Santa Lucia, Lesser Antilles. 



Leucopeza sem2)eri 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'} sempcri Cory, List Birds W. I., 1885, 8. 



Genus MICROLIGEA Cory. 



Ligcn (not of Dybowski, 187()) Cory, Auk, i, Jan., 1884, 1. (Type, L. palustris 



Cory. ) 

 Ligia (emendation; not of Fal)ricius, 1798, nor Dupre, 1829) Sharpe, Cat. Birds 



Brit. Mus., X, 1885, 349. 

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



Medium sized terrestrial Mniotiltidjs 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 laterall}", whitish 

 medially. 



^ H. Selwyn Branch, manuscript. 



'■^Two specimens. 



^ Three specimens, two of them doubtfully determined. 



*" MiKpo^, Atyeia, in tlie sense of little wood-nymph." 



