HIRDS OF NORTH AND MIDDLE AMERICA. 115 



to or loiiu-er thiiii tirst but shorter than second, the seventh, .sixth, and 

 fifth longest; three outermost primaries rather narrow, pointed, their 

 inner webs slig-hth" emarginate. Tail much longer than wing, even 

 or slightly omarginate [P. cinerem) or graduated {P. ccmdatus). 

 Tarsus shorter than middle toe with claw, the acrotarsium and lower 

 fourth or more of planta tarsi distincth-^ scutellate; outer toe slightly 

 but deeidc^Uy longei- than the inner, its claw reaching nearly to base 

 of middle claw; basal phalanx of middle toe united to that of outer 

 toe b}^ most of its length, to that of inner toe by about half its length. 

 Plumage soft. ])lended; ])ileum with a })ushy crest of broad, blended 

 feathers; tibial feathers well developed, forming a conspicuous tuft 

 quite covering the tibio-tarsal joint. 



Coloration. — Mostly plain gray or brown, with under tail-coverts 

 yellow, the flanks (sometimes necl<,and crest also) olive-green; remiges 

 and rectrices black, the latter with a large white patch on inner web. 



Xidtjication . — (Unknown. ) " 



Range. — Highlands of Mexico, Guatemala, and Costa Kica. (Two 

 species.) 



KEY TO THE SPECIES OF PTILOGO.VYS. 



a. Tail even or emarginate; crest wholly gray; orl)ital ring white. {Ptilogowjft 

 einereufi. ) 

 b. Back, breast, etc., bluish gray; flanks yellowish olive-green or golden olive. 

 (Adult males.) 

 c. Gray of back, breast, etc., lighter; flanks bright golden olive or deep wax 

 yellow. (Southern portion of Mexican pleateau.) 



Ptilogonys cinereus cinereus, adult male (p. 115) 

 cc. Gray of back, breast, etc., darker; flanks (less extensively) olive-green. 

 (Highlands of Guatemala.) 



Ptilog-onys cinereus molybdophanes, adult male (p. 117) 

 bb. Back, ))reast, etc., grayish l)rowii or l)rownisli gniy: (i;inks light wood brown 

 or brownish buff. (Adult females. ) 



'•. Paler Ptilogonys cinereus cinereus, adult female (p. 116) 



<■<'. Darker Ptilogonys cinereus molybdophanes, adult female (p. 118) 



no. Tail graduated; occipital portion of ciest yellowish olive-green; orbital ring 

 yellow. 

 b. Back, ])reast, etc., bluish gray; tail excessively graduated. (Highlands of Costa 



Rica and Chiriqui.) Ptilogonys caudatus. adult male (p. 118) 



bb. Back, breast, etc., olive-greenish; tail moderately graduated. 



Ptilogonys caudatus, adult leuiale (i>. 119) 



PTILOGONYS CINEREUS CINEREUS Swainson. 

 MEXICAN PTILOGONYS. 



Adult male. — Frontal untijv, su])raioral region, antcrioi' portion of 

 malar region, and chin dull white or brownish white; a dusky loral 

 spot, this extending- narrowly beneath lower eyelid; a narrow white 



"The eggs are sjiid to resemble those of Antlmx jiralensix. (Sea Sclater. Proc. Zool. 

 ■Soc. Lond., 1859, 87G.) 



