308 ' BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Nicaragua (Kio Escondido; Los Sabalos; Grey town) to Colombia 

 (Bogota; Antioquia; Eio Atrato) and Venezuela. 



Ictenia mesomelas (not Psarocolius mesomelas Wagler) Sclatee, Proc. Zool. Soc. 

 Lond., 1855, 154 (Bogota, Colombia) ; Oat. Am. Birds, 1862, 133, part (Bogota); 

 Ibis, 1883, 367, part ( monogr. ) ; Oat. Birds Brit. Mus. , xi, 1886, 378, part ( Valza, 

 Oosta Rica; Oliepo., Lion Hill, and Panama, Isthmus of Panama). — Sclatbr 

 and Salvin, Proc. Zool. Soc. Lond., 1864, 354 (Lion Hill, Panama E. E.); 

 1867, 297 (Blewflelds, Nicaragua); 1879, 509 (Antioquia, Colombia).— 

 Lawrence, Ann. Lye. N. Y., vii, 1861, 297 (Lion Hill); viii, 1865, 181 (Grey- 

 town, Nicaragua). — Zeledon, Oat. Aves de Costa Rica, 1882, 9; An. Mus. Nac. 

 Costa Rica, i, 1887, 112(SipurioandTalamanca, Oosta Rica). — Nutting, Proc. 

 U. S. Nat. Mus., vi, 1884, 402 (Los Sdbalos, Nicaragua).— Allen, Bull. Am. 

 Mus. N. H., xiii, 1900, 162 (Cacagualito, prov. Santa Marta, Colombia).— 

 Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 495 (Rio Escondido, Nicaragua; 

 habits; song). 



^Icterus] mesomelas Sclater and Salvin, Nom. Av. Neotr., 1873, 36, part. 



Icterus scdviniiG AssiN, Proc. Ac. Nat. Sci. Phila., Apr., 1867, 51 (Turrialba and San 

 Carlos, Oosta Rica; Greytown, Nicaragua; Rio Atrato and Bogota, Colombia; 

 Venezuela; type in Acad. Nat. Sci. Phila. ) 



Icterus salvini Lawrence, Ann. Lye. N. Y., ix, 1868, 104 (San Carlos and Turrialba, 

 Costa Rica). — Frantzius, Journ. fiir Orn., 1869, 302 (Costa Rica) . — Zeledon, 

 Cat. Aves de Costa Rica, 1882, 9. 



Ilclerus} salvini Sclatee and Salvin, Proc. Zool. Soc. Lond., 1870, 838, in text 

 (crit.). 



Icterus mesomelas sahini Bangs, Proc. New Engl. Zool. Club, ii, Sept. 20, 1900, 33 

 (Loma del Leon, Panama R. R.). 



Icterus mesomelas salvinii Ridgway, Proc. Wash. Ac. Sci., iii, 1901, 153, in text. 



ICTERUS PARISORUM Bonaparte. 

 SCOTT'S ORIOLE. 



Adult male in summer. — Head, neck, chest, back, and scapulars uni- 

 form black; lesser wing-coverts, edge of wing, under wing-coverts, 

 axillars, under parts of body (except chest), thighs, under tail-coverts, 

 rump, and upper tail-coverts deep lemon yellow, the rump and upper 

 tail-coverts usually more or less (sometimes strongly) tinged or washed 

 with olive or olive-grayish; middle wing-coverts usually paler yellow, 

 often passing into white at tips; rest of wings black, the greater coverts 

 more or less broadly tipped with white, and some of the reraiges (espe- 

 cially the tertials) with narrow white margins; four middle rectrices 

 black, with basal portion light lemon yellow; rest of rectrices with 

 more than the basal half light lemon yellow, the terminal portion 

 black, more or less margined terminally with white; bill black, with 

 basal half of mandible light bluish gray; legs and feet (in dried skins) 

 dusky horn color. 



Adult male in winter. — Similar to the summer male but white mark- 

 ings on wings much broader, feathers of back more or less margined 

 with light gray, rump and upper tail-coverts more strongly washed 

 with olive or gray, and flanks more or less tinged with olive. 



