BIRDS OF NORTH AND MIDDLE AMP:RICA. 227 



or more, the latter shorter than tirst, soiiictinics shorter tliaii second- 

 aries; seviMith, sixth, and Ht'th longest. Tail shorter than wing- hut 

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

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

 wing but equal to or longer tiian coinniissui(\ stout, the acrotarsium 

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

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

 reaching decidedly be3'ond bas(> of middle claw. 



Coloration. — Above plain olive or olive-green, the pileuni Itrownisii 

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

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

 yellowish olive. 



Range. — Continental tropical America. 



KEY TO THE SPECIES AND SUBSPECIES OF CYCLARHIS. 



<(. rnder parts entirely yellow (except chin). {Cydarhisflavirentrifi.) 

 h. Brijjhter colored, with yellow of under parts deeper. (Southern Mexico and 



(luatemala; Honduras?) Cyclarhis flaviventris flaviventris (p. 228) 



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



Cyclarhis flaviventris yucatanensis (p. 229) 

 nn. Under parts with abdominal region white. 

 /(. Throat, chest, acd sides yellowish olive; under wing-coverts pale straw or sul- 

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



Cyclarhis insularis (p. 230) 



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



under Aving-coverts lemon yellow; back, etc., bright olive green. {Ci/clarhis 



flaripectus.) 



c. Above l)righter olive-green; averaging larger, especially the 1)111 (exposed cul- 



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



Cyclarhis flavipectus flavipectus (extralimital)" 

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

 nien averaging less than 17). 

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



Cyclarhis flavipectus canticus (extralimital)'' 

 (Id. Yellow of under parts paler or duller. (Costa Kica and Chiriqui. ) 



Cyclaris flavipectus subflavescens (p. 230) 



(' C'l/rloi'his flavipectus Sclater, Proc. Zool. Soc. Loud., 18.58, 4-18 (Trinidad; coll. P. 

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

 X. H., vi, 1894, 26 (Trinidad; habits; song; crit.). — Clychrhlx] tici'lpcdu^ irinitatii< 

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



''< 'i/clarhin flnvipectus canticus Bangs, Proc. Biol. Soc. Wash., xii, June 3, 1898, 142 

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

 xiii, 1900, 171 (Bonda, Santa Marta; vnt.).—Ci/clorhis ^flaripectus (not of Sclater) 

 Authors, part (specimens from Colombia). 



