BIRDS OF NORTH AND MIDDLE AMERICA. 227 



or more, the latter shorter than first, sometimes shorter than second- 

 aries; seventh, sixth, and fifth longest. Tail shorter than wing but 

 difference less than length of tarsus (sometimes less than exposed cul- 

 men), even or slightly rounded. Tarsus less than one-third as long as 

 wing but equal to or longer than commissure, stout, the acrotarsium 

 distinctly scutellate; outer toe longer than inner, the latter (without 

 claw) as long as hallux (without claw); claws of both lateral toes 

 reaching decidedly beyond base df middle claw. 



Goloratlan. — Above plain olive or olive-green, the pileum brownish 

 or grayish, bordered on each side with a superciliary stripe of rufous, 

 chestnut, or cinnamon; under parts with more or less of yellow or 

 yellowish olive. 



Range. — Continental tropical America. 



KEY TO THE SPECIES AND SUBSPECIES OF CYCLAKHIS. 



a. Under parts entirely yellow (except chin). {Cyclarhis flaviverdris.) 

 b. Brighter colored, with yellow of under parts deeper. (Southern Mexico and 



Guatemala; Honduras?) Cyclarhis flavi'ventris flaviventris (p. 228) 



66. Duller colored, with yellow of under parts paler. (Yucatan.) 



Cyclarhis flaviventris yncatanensis (p. 229) 

 aa. Under parts with abdominal region white. 

 6. Throat, chest, and sides yellowish olive; under wing-coverts pale straw or sul- 

 phur yellow; -back, etc., grayish olive-green. (Cozumel Island, Yucatan.) 



Cyclarhis insularis (p. 230) 



66. Throat, chest, and sides lemon yellow (usually more or less tinged with olive ) ; 



under wing-coverts lemon yellow; back, etc., bright olive green. {Oydarhu 



flampictus. ) 



c. Above brighter olive-green; averaging larger, especially the bill (exposed cul- 



men averaging 18). (Island of Trinidad; Venezuela?) 



Cyclarhis flavipectns flavipectus (extralimital)« 

 cc. Above duller olive-green; averaging smaller, especially the bill (exposed cul- 

 men averaging less than 17). 

 d. Yellow of under parts brighter. (Colombia.) 



Cyclarhis flavipectus cantious (extralimital)'' 

 dd. Yellow of under parts paler or duller. (Costa Rica and Chiriqui. ) 



Cyclaris flavipectns suhflavescens (p. 230) 



<' Oyclorhis flavipectus Sclater, Proc. Zool. Soc. Lond., 185S, 448 (Trinidad; coll. P. 

 L. Sclater); Cat. Am. Birds, 1862, 45, part (Trinidad); Baird, Review Am. Birds, 

 1866, 389, part (Trinidad); Gadow, Cat. Birds Brit. Mus., viii, 1883, 320, part (Trini- 

 dad); Berlepsch, Ibis, 1888, 85, 91, part (Trinidad); Chapman, Bull. Am. Mus. 

 N. H., vi, 1894, 26 (Trinidad; habits; song; crit.). — C[yclorhis] flavipectus trinitatis 

 Alleny Bull. Am. Mus. N. H., ii, no. 3, June 17, 1889, 131, in text (Trinidad). 



b Oyclarhis flavipectus canticus ^a,ngs, Proc. Biol. Soc. Wash., xii, June 3, 1898, 142 

 (Santa Marta, Colombia; coll. E. A. and 0. Bangs); Allen, Bull. Am. Mus. N. H., 

 xiii, 1900, 171 (Bonda, Santa Marta; crit.). — Cyclarhis flavipectus (not of Sclater) 

 Authors, part (specimens from Colombia). 



