474 



1. CKAX. „ 



Type. 



Crax, Linn. S. N. i. p. 269 (1766) C. alector. 



Mituporanga, Reichenb. Taiiben, p. 186 (1862) C. globicera. 



Crossolaryngus, Reichenb. Tauben, p. 13(5 (1862) C. globulosa. 



Sphajrolaryngus, Reichenb. Tauben, p. 136 (1862) ... C. alberti. 



Feathers of the crest curled forward. 



Base of the culmen with or without a swollen knob. 



Base of the lower mandible with or without wattles. 



Tail composed of 12 feathers. 



Tarsus longer than the middle toe and claw. 



Range. Central and South America. 



Key to the Species. 



I. Crest uniform black, never barred with white. 



{Males.) 



A. No swollen knob on the base of the upper 



mandible, and no wattles on each side of 

 the lower mandible. 



a. Plumage of the upper parts glossed with 



purple ; tail not tipped with white .... 



b. Plumage of the upper parts glossed with 



dull green ; tail tipped with white .... 



B. A swollen knob on the base of the upper 



mandible. 



c. No wattles at the base of the lower man- 



dible. 



a' . Tail not tipped with white 



b'. Tail slightly tipped with white 



d. A wattle on each side of the base of the 



lower maudible. 

 c , Tail not tipped with white. 



a" . Swollen knob and wattles scarlet . . 



b" . Swollen knob and wattles yellow . . 

 d'. Tail tipped with white. 



c". Swollen knob and wattles yellow . . 



d" . Swollen knob and wattles pale blue. 



II. Crest always more or less barred with white. 



(Females.) 

 C. General colour of the secondaries chestnut. 



e. Tail not barred with white, or, if bairred, 



the bars not perceptible on the under sur- 

 face of the webs 



/. Tail strongly barred with white or pale buff, 

 the bars being as clearly marked on the 

 under surface of the feathers as on the 



upper 



D. Secondaries widely barred with black and 

 white, the white bars being nearly as wide 

 as the black interspaces (lower back tawny 

 buff, indistinctly barred with black ; pri- 

 maries and tail-feathers marked like the 

 secondaries) 



alector, p. 475. 

 fasciolata, p. 476. 



globicera, p. 478. 

 panamensis, p. 479. 



carunculata, p. 481. 

 globulosa, p. 482. 



daubentoni, p. 482. 

 alberti, p. 483. 



glubicera, p. 478. 

 panamensis, p. 479. 



grnyi, p. 480. 



