BIRDS OF NORTH AND MIDDLE AMERICA. 733 
adult males with chest and upper parts metallic bronze, green, or blue, the 
wing-coverts and secondaries always vermiculated; adult females with 
chest and upper parts brown or slate color.) 
d. Tarsus feathered for not more than upper half; tail decidedly longer than 
wing; plumageof young conspicuously spotted, very different from that of 
BUNS cececty us Nota pea ouene canteen inset Trogonurus (p. 761). 
dd. Tarsus feathered for at least greater part; tail little if any longer than wing; 
plumage of young similar to that of adults......._. Chrysotrogon (p. 784). 
bb. Auricular feathers slender, filamentous, curving outward terminally; eyelids 
feathered; sexes alike (or nearly so) in color, the adult females with back, 
etc., metallic green; anterior toes united for basal phalanx only. 
c. Rectrices normal in shape; sexes slightly different in coloration, the wing- 
coverts plain bronzy blackish in male, barred with white in female. 
Temnotrogon (p. 790). 
cc. Rectrices unique in shape, the longer ones deeply concavely incised at tip, 
where the lateral portions are prolonged into falcate points; sexes exactly 
EY E> 0) (0) ca enn ge Priotelus (p. 793). 
Genus PHAROMACHRUS De la Llave. 
Pharomachrus Du ta Luave, Registro Trimestre, i, num. 1, Jan., 1832, 48. (Type, 
P. mocinno De la Llave.) 
Pharomacrus (emendation) SctaTer, Proc. Zool. Soc. Lond., 1858, 60. 
Calurus Swainson, Classif. Birds, ii, 1837, 337. (Type, Trogon resplendens 
Gould=Pharomachrus mocinno De la Llave.) 
Antisianus Firzincer, Sitz. k. Akad. Wiss. (Math.-Nat. Classe) [Wien], xxi, 
Heft. 2, July, 1856, 294. (Type, Trogon antisianus D’Orbigny, 1837=T. 
antisiensis D’Orbigny, 1835.) 
Cosmurus Ruicnensacn, Av. Syst. Nat., Aug. 1, 1850, pl. 88. (Type, Trogon 
antisiensis D’ Orbigny.) 
Tanypeplus¢ CaBanis and Hetnz, Mus. Hein., iv, March, 1863, 205. (Type, 
Trogon pavoninus Spix.) 
Large Trogons with smooth (nonserrate) tomia, pileum more or 
less crested, middle wing-coverts elongated and decumbent, and 
upper tail-coverts much developed. 
Bill moderate in size (distance from tip to nostril considerably less 
than from latter to anterior angle of eye), the culmen rather strongly 
arched, not depressed basally, rounded (not ridged), the tomia smooth 
(unserrated) but with a distinct subterminal notch on both maxilla 
and mandible, the tip of the latter forming a distinct ascending point; 
gonys about half as long as mandibular rami, the latter widely 
divergent, the distance across basal portion of interramal space about 
equal to length of rami; nostril narrow, longitudinal, overhung by a 
broad operculum; rictal bristles minute or obsolete, but chin with 
conspicuous antrorse, recurved bristles, the post-nasal feathers also 
with antrorse bristles; feathers of lores appressed, vertical, antrorse 
anteriorly, sometimes so much developed as to cover nostrils and 
forming a conspicuous, compressed, frontal duplex crest, which in 
& “Von tavic (lang, gestreckt) und éxdoc (Oberkleid).’? (Cabanis and Heine.) 
