BIRDS OF NORTH AND MIDDLE AMERICA. 265 



ICTERUS OBERI Lawrence. 

 MONTSERRAT ORIOLE. 



Adult male. — Head, neck, chest, back, scapulars, wings, and tail 

 uniform black; upper rump lemon yellow, tinged with ochre-3'ellow 

 or 3'ellowish russet, the rest of rump ochre-yellow or yellowish russet 

 superficially, lemon yellow beneath the surface; the upper tail-coverts 

 deeper, more russet, with concealed bases light lemon or canar}^ yQ\- 

 low; under parts (posterior to chest) mixed deep ochraceous, ochre- 

 yellow and canary yellow, the last on basal portion of the feathers, 

 but exposed in places, especially on sides; thighs clear yellow; under 

 wing-coverts light yellow; l)ill black, with basal portion of mandible 

 bluish gray (pale grayish blue in life?); legs and feet grayish dusky 

 (grayish blue in life?); length (skins), 213.4-218.4 (215.9); wing, 8!t.T- 

 89.9; tail, 95.8-97 (90.3); culmen, from base, 2-l:.9-25.1; depth of bill 

 at base, 8.9-9.1; tarsus (one specimen), 25.4; middle toe, 16.3-17.3 

 (16.8).^ 



Adult {'^:) female.^ — Above yellowish olive-green, duller and graj^er 

 on back and scapulars, tinged with saffron yellowish on forehead; 

 wings grayish duskj' with rather broad edgings of light olive; lores 

 grayish dusky; under parts wax yellow or gallstone yellow, tinged 

 with olive-green, especiall}^ on sides and Hanks; length (skin), 199.4; 

 wing, 82; tail, 87.6; culmen, from base, 22.4; depth of bill at base, 

 8.6; tarsus, 24.1; middle toe, 15.7.'' 



Iinviat'uremale {secondyear ?). — Similar to the supposed adult female, 

 as described above, but back grayer, lores deep black, and wing-edgings 

 more buffy or cinnaraomeous. 



Island of Montserrat, Lesser Antilles. 



Ictemis oheri Lawrence, Proc. U. S. Nat. Mus., iii, sig. 22, Nov. 23, 1880, 351 

 (Montserrat, Lesser Antilles; coll. U. S. Nat. Mus.). — Grisdale, Ibis, 1882, 

 487, pi. 13.— ScLATER, Ibis, 1883, 362 (monogr.); Cat. Birds Brit. Mus., xi, 

 1886, 372.— Cory, Auk, iii, 1886, 218 (synonymy and description); Birds 

 W. I., 1889, 105; Cat. W. I. Birds, 1892, 15, 110, 132. 



[Icterus'] oberi Cory, List Birds W. I., 1885, 13. 



ICTERUS MACULI-ALATUS Cassin. 

 BAR-WINGED ORIOLE. 



Adults (sexes alike). — Head, neck, median portion of upper chest, 

 back, scapulars, wings (except lesser and middle coverts), and tail 

 black; outer web of greater wing-coverts tipped with white, forming 

 a band, and terminal half, or more, of longer primaries edged with 

 white; rest of plumage deep lemon or gamboge yellow, the under 



^ Two specimens. 



^ Possibly the sexes are alike in this species, as in other West Indian forms. 



' One specimen. 



