CRACIDJ!. 



473 



Family II. CRACID.E. 



Oil-gland tuffed. 



The rifst is made either in a tree or on the ground, and the eegs 

 which are white, are incubated in the usual manner. ' 



Aey to the Genera. 



I. Upperuiaudiblu higher than broad. (Cra- 

 CDue. ) 



A. Feathers on the top of the head semi- 



erect and curled at the extremity ... 1. Cr^x, p. 474 

 li. I'eatlier.s on the top of the head re- 



cum bent. 



a Lores naked ........ 2. Nothocrax, p. 484. 



6. Lores thicJdy feathered. ' ^ 



a'. Plumage of se.xes similar; culmen 



more or less elevated, but no egs- 



shaped tubercle on the forehead!". 3. Mitua, p 485 



6 . 1 lumage of sexes different ; a very 



large egg-shaped tubercle on the 



^^^■^^^^^ 4. Pauxis, p. 487. 



II. Upper mandible broader than hitjb. 



C. With an elevated naked cvliudrical 

 occipital helmet; top of the head 



mostly naked ( Oreophasinre.) 5. Oreophasis, p. 489. 



L». Without an elevated helmet; top of 

 the head covered with feathers. 

 {Penelv2)hice.) 

 c. Inner web of outer primaries not very 

 _ deeply excised at the extremity, 

 c'. Throat mostly naked, with a 

 median wattle. 



b bexes diHerent 7. Pexelopi.va, p. 502. 



rf . A band of feathers down the 

 middle of the throat ; no median 



, T '''''"^t ■; 8. Ortalis, p. 504 



d. Inner web of outer primaries very 

 _ deeply excised at the extremity. 

 e. Fore part of neck mostly naked ; 



with a short median wat'tle . . . .' 9. Pipixe, p. 516 

 / . t ore part of neck mostly feathered ; 



with a long vermiform wattle . . 10. Adurria, p 519 

 S . lore part ot neck as well as chin 

 and throat entirely feathered ; no 

 ^""^^"^ • •' • • ■ n. Cham^petes, p. 520. 



