406 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



duskjr passing beneath the eye, but changing to dull grayish brown, 

 and continuing, broadly, over the auriculars to the nape; lower parts 

 dingy olive-yellow, brighter on the breast and upper part of p.bdomen; 

 anal region and under tail-coverts pale buffy yellowish; lining of wing 

 pure white, changing to yellow along the edge of the wing; wing 

 speculum smaller than in the adult, but still very conspicuous. 

 Island of Old Providence (and St. Andrews?), Caribbean Sea. 



Cerlhiola tricolor Eidqway, Proc. U. S. Nat. Mus., vii, July 29, 1884, 178 (island 

 of Old Providence, Caribbean ' Sea; coll. U. S. Nat. Mus.); viii, 1885, 29 

 (synonymy). — Sclater, Cat. Birds Brit. Mus., xi, 1886, 38.— Cory, Auk, iv, 

 1887, 180 (Old Providence). 



C[erthiola] tricolor Ridgway, Proc. U. S. Nat. Mus., viii, 1885, 27 (diagnosis). 



(7) Certhiola tricolor Cory, Auk, iv, 1889, 181 (St. Andrews I., Caribbean Sea). 



C[pdreba] tricolor Cory, Auk, viii, Jan., 1891, 40. 



CCEREBA LUTEOLA (Cabanis). 

 TOBAGO BAN^AITAaUIT. 



Adults {sexes alike). — Upper parts plain sooty black, relieved by a 

 white superciliary stripe (extending from nostril^ to occiput), a white 

 spot (of variable extent) at base of six or seven outermost primaries 

 (except the outermost), and a large patch of clear lemon yellow cover- 

 ing rump; pi'imaries narrowly edged with light grayish; inner webs of 

 two lateral rectrices broadly tipped with white (about 7.6 long on 

 outermost); loral, suborbital, and auricular regions and sides of neck 

 sooty "black, like upper parts; malar region, chin, and throat uniform 

 gray (no. 6, or between no. 5 and no. 6'); rest of under parts lemon 

 yellow (sometimes tinged with or inclining to saffron yellow on chest), 

 becoming paler on abdomen and passing on flanks into j'^ellowish gray 

 or olive, the under tail-coverts white; bill black; legs and feet dusky 

 (in dried skins); length (skins), 84.6-115.1 (100.8); wing, 52.8-62.7 

 (57.2); tail, 29-41.1 (33.8); exposed culmen, 11.9-14 (13); tarsus, 

 16.3-17.8 (17); middle toe, 10.7-11.4 (10.9).^ 



' See Eidgway's Nomenclature of Colors, pi. 2. 



^ Twelve specimens, mostly males. Specimens from different localities average aa 

 follows: 



Ijocaljty. 



One adult from Bogota, Colombia 



Two adult males from Santa Marta, Colombia 



Two adults (one male) from Venezuela 



One adult male from Margarita Island, Venezuela . 



Three adults from Trinidad 



Two adult males from Tobago 



One adult female from Tobago 



Wing. 



54.9 

 57.7 

 56.6 

 52.8 

 57,2 

 59.4 

 56.9 



Tail. 



88.4 



36.6 



29 



36.1 



37.1 



32.8 



Ex- 

 posed 

 culmen, 



11.7 

 12.4 

 13.2 

 11.9 

 13.2 

 13.7 

 13 



17 



17.3 



16.3 



17 



17.3 



17.5 



Middle 

 toe. 



10.9 

 10.9 

 10.7 

 10.7 

 11.4 

 10.7 



The specimen from Bogota is exactly intermediate in coloration between C. luteola 



