512 Annals of the Carnegie Museum. 



bb. No large white area on any of the rectrices (more than sometimes white tips 

 or edges). 

 c. Crown and forehead glittering blue or violet. 



d. Either abdomen or throat glittering deep blue, or else entire under parts 



dirty grayish. 



e. Throat blue, rest below greenish; tail metallic-green, with a dusky 



subterminal area. Clais guimeti, $ . 



ee. Abdomen and upper back blue, or else entire under parts dirty grayish. 



/. Throat glittering green; tail dark steel-blue; abdomen blue. 



Thalurania colombica venusta, $. 



ff. Entire under parts dirty grayish-white. Clais guimeti, $ . 



dd. No blue on abdomen or throat; throat glittering coppery flame-color, with 



a blue pectoral spot; rest above and below (except upper back, black) 



shining or glittering green. Panterpe insignis, $ , 9 . 



cc. Crown not blue or violet. 



d. Throat and breast or entire under parts, shining or glittering green, 

 sometimes slightly mixed with white or buffy, or with a blue spot 

 in middle of throat. 

 e. Tail deep metallic-blue, or else chestnut-brown; no pale tips or edging. 

 f. Tail chestnut-brown; upper parts shining green. 



Amizilis tzacall dubusi, $ , 9 . 

 ff. Tail blue or blue-green; entire upper parts green. 



g. A blue spot in middle of throat or breast, or else a blue auricular 

 patch. 

 h. Lower parts glittering green; tail dull blue, deeply forked or 

 ordinary; blue spot on throat or breast. 

 i. Tail deeply forked; outer rectrix edged with grayish, shafts 

 white; a blue pectoral spot (wing, 40 mm.). 



Popelairia conversi conversi, $ . 

 ii. Tail not forked; no pale edging to rectrices; blue spot on 

 throat (wing, 75 mm.). Heliodoxa j acuta henryi, $. 



hh. Lower parts bluish-green: tail blue green, with subterminal blue 

 area; a blue auricular patch. Colibri cyanotis cabanidis, $ , 9 . 

 gg. No blue on throat or auricular region. 

 h. Tail deep blue, without paler tips. 

 i. Entire under parts glittering green (including under tail- 

 coverts); no bronzy-purple on rump; tail rather deeply 

 forked (wing, 46 mm.). 

 j. Bill entirely black. Chloroslilbon assimilis, $ . 



jj. Mandible flesh-color basally. 



Chloroslilbon caniveti salvini, $ . 

 ii. Abdomen white, or grayish, or glittering violet-blue, or else 

 under tail-coverts metallic-blue, edged with grayish or 

 white. 

 j. No chestnut on secondaries. 

 k. No white on abdomen. 

 /. Abdomen green; under tail-coverts metallic-blue, 

 edged with paler. 



