12. AGELJitrs. 343 



6. Agelaeus xanthomus. 



Agelaius chi-ysopterus, Vieill. Nuuv. Diet, xxxiv. p. 539 ; id. Enc. 

 Meth. p. 713 (partim); Sand. (Efv. af K. Vet.-Akad. Fork. 18G9, 

 p. 597; Scl. et Salu. Nomencl. p. 37; Gundlach, J. f. O. 3874, 

 p. 312, et 1878, p. 177; id. An. 8oc. Esp. H. N.' \ii. p. :211 

 (1878). 



Icterus xantbomus, Scl. Cat. A. B. p. 131 ; Taylor, Ibis, 1864, p. 168 ; 

 Bryant, Proc. Boston S. N. H. x. p. 254. 



Hypliantes xantbomus, Ca.'^s. Pr. Ac. Sc. Phil. 1867, p. 63. 



Agelajus xantbomus, Scl. Ibis, 1884, p. 12. 



Glossy black ; lesser wing-coverts yellow ; bill and feet black : 

 whole length 7"S inches, wing 4-2, tail 3'4. Female similar, but 

 smaller, and wing-coverts sometimes mixed with black. 



Mab. Portorico. 



The name chri/sopterus cannot be conveniently used for this bird, 

 as under his Agelaius cTirysopterus Yieillot included Icterus cayan- 

 ensis (Ibis, 1S83, p. 359), and apparently also Ayelaius thilius. 

 The name has consequently been applied to all these three species. 



a. Ad. sk. Porto Rico (Bryant). Sclater Coll. 



b. Ad. sk. Poito Eico (Bryant). Salvin-Godman Coll. 



c. Ad. sk. Porto Rico (Taylor). Sclater Coll. 



d. Ad. sk. Porto Rico. Sclater Coll. 



e. Ad. sk. Porto Rico (Sjcift). Salviu-Godman Coll. 

 /. c? ad. sk. Porto Rico (Bnjant). Mrs. Bryant [P-]- 



7. Agelaeus thilius. 



Turdus thilius, Mol. Hist. Nat. Chili, p. 345 (1782). 



Tordo negro cobijas amarillas, Azara, Apunt. i. p. 301. 



Xantbomus cbrysocarpus, Viy. P. Z. S. 1832, p. 3. 



Agelaius tbilius, Bp. Consp. i. p. 431 ; Scl. et Salv. Notnencl. p. 37 ; 

 Dunifoi-d, Ibis, 1S76, p. 159 (Buenos Ayres), 1877, p. 33 (^Cbupat ), 

 p. 174 (Bueuos Ayres), et 1878, p. 394 (Cbupat) ; Burin. La-Plata 

 Reise, ii. p. 493 ; Cassin in Gilliss^s U.S. Nav. Astr. E.vp. ii. p. 179, 

 t. 16. fig. 1 ; id. P: Ac. Sc. Phil. 186G, p. 12 ; JMiite, P. Z. S. 1882, 

 p. 602 (Buenos Avres) ; Salv. P. Z. S. 1883, p. 422 (Cocimmbo) ; 

 Tacz. Orn. Per. ii."p. 424; Scl. Ibis, 1884, p. 12. 



Agelasticus tbilius. Cab. 3Ius. Hein. i. p. 188 ; Scl. P. Z. S. 1867, 

 p. 323 (Cbili) ; id. Cat. A. B. p. 130 ; Scl. et Salv. P. Z. S. 1869, 

 p. 153 (S. Peru). 



Icterus cbrysopterus, cVOrb. et Lafr. Syn. Av. ii. p. 5. 



Agelasticus cbrysapterus, Cub. Mas. Hein. i. p. 188. 



Cacicus cbrysocarpus, Gay, Hist, de Chile, i. p. 345. 



Xantbomus cayanensis, Gay, op. cit. p. 346 (Chili). 



Xantbomus cbrysopterus, Gould, Zoot. Foy. ' Beayle,' Birds, p. 106. 



Agelaius xantbocarpus, Cassin, Pr. Ac. Sc. Phil. 1866, p. 12. 



Black ; lesser upper and under wing-coverts yellow ; bill and feet 

 black: whole length 5-o inches, wing 3-0, tail 2-7. Female. Above 

 pale brown striated with black ; distinct superciliaries white ; 

 beneath paler, cineraceous white with black striations ; smaller, and 

 bill sliorter. 



Hub. S. Peru, Chili, Patagonia, Argentine Republic, and Paraguay. 



