Species of the Family Icteridse. 9 



The only specimen of this interesting bird I have seen was 

 presented to me by the late Mr. W. A. Forbes, but was not, I 

 believe, obtained by himself. 



Genus III. Cyrtotes. 



Cyrtotes, K-eichenb. Av. Syst. Nat. t. Ixxiii. (1850) : type 

 C. mawillaris. 



1. Cyrtotes maxillaris. 



Icterus maxillaris, d'Orb. et Lafr. Syn. Av. ii. p. 6; d'Orb. 

 Voy. Ois. p. 367, tab. Hi. fig. 1 ; Scl. et Salv. P. Z. S. 1879, 

 p. 643. 



Molothrus maxillaris, Cass. Pr. Ac. Sc. Phil. 1866, p. 21. 



Cyrtotes maxillaris, Bp. Consp. i. p. 437. 

 Similis Molothro bonariensi, quoad colores, sed, sicut videtur, 

 rostri forma distinctus : mihi nondum obvius. 



Hab. Cochabamba, Bolivia {d'Orb.). 



Mus. Acad. Philadelph. 



There is no specimen of this bird in European collections, 

 so far as I know. 



Genus IV. Ageljjus. 



Agelaius, Vieillot, Analyse, p. 33 (1816) : type A. phoe- 



niceus. 

 Ayelasticus, Cab. Mus. Hein. i. p. 188 (1851) : type A. 



thilius. 

 Thilius, Bp. Compt. Rend, xxxvii. p. 33 (1853) : type A. 



thilius. 

 Nesopsar, Scl. Ibis, 1859, p. 456 : type A. nigerrimus. 



Clavis specierum. 



a. Niger: campterio discolore, 



campterio rubro, ochraceo marginato : 



fern, striata (1) phoeniceus. 



fern, unicolor nigra (2) assimilis. 



campterio toto rubro (3) guhernatoi-. 



campterio sanguineo, albo marginato (4) tricolor. 



campterio flavicanti-fulvo (5) humeralis. 



campterio flavissimo (6) xanthomtis. 



campterio cum subalaribus flavis (7) thilius. 



