BIRDS OF NOBTH AND MIDDLE AMERICA. 399 



/. Flanks pale gray, very slightly if at all tinged with yellow; lower abdo- 

 men and anal region white or yellowish white. (Bahama Islands.) 



Coereba bahameusiB, adults (p. 401) 



/. Flanks yellowish gray or olive, strongly tinged with yellow; lower 



abdomen and anal region yellow. 



g. Black on lores and beneath eyes broader (as in C. bahamensis) ; white 



superciliary stripe much narrower; white spots at tip of lateral 



rectrices much smaller. (Island of Cozumel, Yucatan.) 



Coereba caboti, adults (p. 404) 

 gg. Black on lores and beneath eyes narrower; white supercihary stripe 

 broader (as in C. bahamensis) ; white spots at tip of lateral rec- 

 trices much larger. 

 h. Smaller, with larger bill (male averaging wing 61.2, tail 41.9, 

 exposed culmen 15); yellow of rump tinged with olive. 

 (Islands of Grand Cayman and Cayman Brae, Greater Antilles.) 



Coereba sharpei, adults (p. 404) 



hh. Larger, with smaller bill (male averaging wing 65.8, tail 46.2, 



exposed culmen 14); yellow of rump purer. (Island of Old 



Providence, Caribbean Sea.) Coereba tricolor, adults (p. 405) 



ee. Throat distinctly gray (not paler than gray no. 7). 

 /. Throat paler gray (no. 6 or no. 7). 



g. Back, etc., sooty blackish; white wing-spot large and conspicuous; 

 breast, etc. , brighter yellow. 

 h. Throat deeper gray (no. 6); rump pure lemon or canary yellow; 

 breast, etc., deeper yellow. (Caribbean coast of Colombia and 

 Venezuela; islands of Trinidad, Tobago, and Grenada.) 



Coereba luteola, adults (p. 406) 

 hh. Throat paler gray (no. 7); rump olive-yellow; breast, etc., lighter 

 yellow. (Island of San Miguel, Bay of Panama. ) 



Coereba cerinoclnnia, adults (p. 408) 



gg. Back, etc., olive, grayish olive, or brownish gray; white wing-spot 



(if present) small, rarely conspicuous; breast, etc., paler and 



duller yellow. 



h. White wing-spot usually distinct (sometimes obsolete) ; smaller 



(wing not more than 59.9). (Southern Mexico to Colombia; 



Ecuador?; Peru?) Coereba mexicaua, adults (p. 409) 



hh. White wing-spot obsolete (entirely concealed by primary coverts); 

 larger (wing 62.2). (Coast district of Guiana and Brazil. ) 



Coereba chloropyga, adults (extralimitaF) . 

 ff. Throat darker gray (slate-gray, or darker). 

 g. Throat slate-gray. 

 h. Smaller, especially the bill (exposed culmen 11.7-12.2); back and 

 wings browner or more sooty. (Island of Haiti, Greater Antil- 

 les.) Coereba bananivora, adults (p. 411) 



' Oeebba CHLOROPYGA (Cabauis). 

 C[er<toZa] cMoropyga Cabanis, Mus. Hein., i, 1850, 97 (Bahia, e. Brazil; coll. 



Heine Mus.). 

 Cerlhiola chloropyga Sclater, Cat. Am. Birds, 1862, 53; Cat. Birds Brit. Mus., xi, 



1886, 44. 

 Ccereba chloropyga Allen, Bull. Am. Mus. N. H., iii, 1891, 348 (Abrilonga, 



Cuyaba, and Chapada, s. w. Brazil; crit.) 

 (?) C{erthiola\ guianensis Cabanis, Mus. Hein., 1, 1850, 97 (Griana; coll. Heine 



Mus.). 

 Certhiola guianends Sclatee, Cat. Am. Birds, 1862, 53 (Cayenne). 

 (?) Certhiola majiucula Cabanis, Journ. fiir Orn., 1865,413. 



