236 BULLETIN 50, UNITED STATES NATIONAL MUSJiUM 



dd. Tarsus very nearly one-third as long as wing or longer; outermost 

 primary shorted than ninth (from outside). 



e. Tail less than one-half as long as wing Odontophorus (p. 364) 



ee. Tail about two-thirds as long as wing or longer Dendrortyx (p. 239) 



cc. Tips of lateral claws extending far beyond base of middle claw, claws 



elongated (that of middle toe more than one-third as long as tarsus) ; 



tail very short (decidedly less than half as long as wing), its tip falling 



far short of extremities of outstretched feet. 



d. Tarsus less than one-fourth as long as wing; rectrices soft, narrower 



terminally, hardly distinguishable from coverts ; crest occipital and 



nuchal, very full or bushy, feathers blended; sides and flanks spotted 



or barred; sexes wholly unlike in color Cyrtonyx (p. 390) 



dd. Tarsus more than one-fourth as long as wing ; rectrices firm, broad and 

 rounded terminally, very distinct from coverts ; crest coronal (vertical), 

 moderately developed, the feathers distinctly outlined; sexes not con- 

 spicuously different in color Dactylortyx (p. 379) 



bb. Rectrices 10 ; tarsus much longer than middle toe with claw ; claws very small, 

 the longest much shorter than second phalanx of middle toe; chord of 

 culmen nearly equal to combined length of first two phalanges of middle 

 toe; planta tarsi with 2 definite rows (one on each side) of rather large, 



oblique quadrate, transverse scutella Rhynchortyx (p. 403) 



aa. Mandibular tomium not serrated or toothed (Phasianinae). 



b. Larger (wing not less than 177 mm.) ; tail at least three-fifths as long as 

 wing, more or less graduated (in adult males much longer than wing, 

 excessively graduated, the rectrices tapering toward their narrow tips) ; 

 sexes very different in coloration, adult males bright colored, the colors in 

 part metallic. 

 c. Plumage bright colored. (Males.) 



d. Throat feathered; no "comb" on forehead; middle rectrices not strongly 



falcate ; feathers of rump broad and rounded or at least not linear or 



lanceolate (Phasiani). 



e. Loral and orbital regions partly feathered, the malar region completely 



feathered ; tail flat or moderately compressed ; rectrices 18. 



/. Tail flat; pileum not crested; no nuchal "cape". . . .Phasianus (p. 417) 



//. Tail distinctly vaulted or compressed (A-shaped in cross section) ; 



pileum crested ; a conspicuous nuchal "cape" of very large, broad, 



subtruncate feathers .. Chrysolophus (intro4uced unsuccessfully).™ 



'° Chrysolophus Gray, Illustr. Indian Zool., ii, 1833-34, pi. 41, fig. 2 (type, by 

 monotypy, Phasianus pictits Linnaeus). — Thaumalea (not of Ruthe, 1831) Wagler, 

 Isis, 1832, 1227 (type, as designated by Gray, 1840, Phasianus pictus Linnaeus). — 

 TJtaumelia (emendation) Eyton, Osteol. Avium, 1867, 168, 172. — Epomia Hodgson, 

 in Gray, Zool. Misc.,' No. 3, 1844, 85 (type, as designated by Elliot, 1872, Phasianus 

 pictus Linnaeus). — Epoima (emendation) Gray, Cat. Mamm. and Birds Nepal and 

 Thibet, 1846, 124.— Epomis (emendation) Gray, Gen. Birds, iii, 1845, 497. 



Two species of this genus, Chrysolophus pictus (Linnaeus) and Chrysolophus 

 amherstiae (Leadbeater), have occasionally either escaped from aviaries or been 

 liberated, but neither has ever succeeded in becoming established in the wild in 

 North America. 



