186 BULLETIN r,0, IGNITED STATES "NATIONAL MTTSEUM. 



Clo.ssiau'] (Ttstoiws SwAix.soN, Birds Brazil, etc., 1841, pi. 32. 



[Cd.sxirvs] i-ristnliin Bonapakte, Consp. Av., i, 1850, 427 (Guiana; Brazil). 



P.slarociiHii-^] cris/ittiiK Waolek, Syst. Av., 1827, Psarocolius, fip. 3. 



0[.^tinu])s'] rrislnliisC\n.\siii, Mus. Hein., i, Sept., 1851, 187 (Brazil; (iuiana; Vene- 

 zuela). 



(Minops cristoi us SchATER, Proe. Zool. Soc. Lond., 1855, 153 (Bogota); 1858, 455 

 (Gualaquiza Ecuador); Cat. Am. Birds, 1862, 127 (Bogota). — Cassin, Proc. 

 Ac. Nat. Sci. Phila., 1860, 138 (Turlx) and Rio Atrato, n. Colombia).— Law- 

 rence, Ann. Lye. N. Y., vii, 1861, 297 (Lion Hill, Panama P. R. ). — Rein- 

 H-\RDT, Fuglef. Bras. Camj)., 1870, 211 (Guacheand Japui, Brazil). — Taylor, 

 Ibis, 1864, 83 (Trinidad) .— Sclater and Salvix, Proc. Zool. Soc. Lond., 1864, 

 354 (Panama R. R. ); 1866, 182 (Rio Ucayali, e. Peru); 1867, 750 (Rio 

 Huallaga, e. Peru), 978 (Pebas, upper Amazon); 1S73, 265 (Pebas, lower 

 Ucayali, Chyavetas, Chamicuros, and Santa Cruz, e. IVru) ; 1879, 608 (Prov. 

 Yungas, Bolivia). — Salvin, Proc. Zool. Soc. Lond., 1870, 190 (Bugal)a, 

 Chiriqui). — Fixsch, Proc. Zool. Soc. Lond., 1870, 578 (Trinidad). — Wvatt, 

 Ibis, 1871, 328 (lower mountain dists., Colombia). — Pei.zelx, Orn. Bras., 

 1871, 191. — Ai.lex, Bull. Essex Inst., viii, 1876, 79 (Santarem, lower Amazon). 



[Os(!noj)s'] ertstaius Sclater and Salvin, Nora. Av. Neotr., 1873, 35. 



Genus CACICUS Lacepede. 



CdrlcKs Lacepede, Ta))leau metbod. des ]Mammif. ct des Oiseaux, 1799, 6. (Type, 

 "Cacique," = Ca8sicus (iffinis Swainson.?) 



Casmais Illiger, Prodromus Orn., 1811, 214. (Type, Oriolux Jnnnorrhous IJn- 

 ngeus. ) 



(?) Archiplanus^ Cabaxis, Mus. Hein., i, Sept., 1851, 186. (Type, ('assicus <ilbi- 

 rastrh Vieillot. ) 

 Medium-sized to rather large arboreal Icteridie with l)ill elongate- 

 conical. acute, the culnien more or less widened, sometimes decidedly 

 swollen, 1)asally; nostrils on or below lateral median line ot" maxilla, 

 small, bored directly into the horin-rhinotheca; tarsus not longer than 

 culmen, equal to or longer than middle toe, with claw; coloration black, 

 with scarlet or 3'ellow patch on rump (the tail-coverts, base oi" tail, and 

 a patch on wing-coverts sometimes also yellow), the ])ill whitish or 

 pale yellowish. 



Bill variable as to relative length and thickness, usually about as 

 long as head (never conspicuously longer nor shorter), elongate-conical 

 or cuneate, with the acute tip more or less decurved, its basal depth 

 less than half the length of culmen, its basal width decidedly less than 

 half (sometimes less than one-third) the length of culmen; culmen 

 nearly straight (sometimes faintl}' depressed) in middle, slightly 

 decurved terminally, more or loss elevated and arched (sometimes ver}' 

 fainth' so) basalh', broad and rounded, esp(H'ially the basal portion, 

 which is sometimes developed into a rather conspicuous "frontal 

 shield;" gonys straight or faintly concave terminally, shtn'ter than 

 maxilla from nostril; commissure nearly straight for most part, slightly 

 decurved terminall}', the basal portion slightly deliexed from behind 



\ ' " Von apxiTt^avoi, 6 nom. prop." 



