CRACIDiE. 311 



future observers to ascertain their existence at this 

 period. 



GENUS CCCX.— OTIS, Linne. BUSTARD. 

 Generic character: vide Stcph. v. xi.p. 442. 

 Ot. Senegalensis. Vieillot, Enc. Meth. 



Ot ? corpore supra luteo-Jiilvo, lineis riifescentibus varioj subtus 

 albo vertice remigibusque primariis nigris; occipitej colli par- 

 tem anteriori, ccerulescentibus ; rostra Jlavescente, apice nigro ; 

 pedibus virescentibics. 



Bustard ? with the body above fulvous-yellow, varied with reddish 

 lines, beneath white, with the crown and primary quills black ; 

 the occiput and anterior part of the neck blue j the beak yel- 

 lowish, with the tip black; the legs greenish. 



Inhabits Senegal. 



Ot. caerulescens. Vieillot, Enc. Meth. 



Ot ? corpore supra rufescente, punctis striisque nigricantibus, 



subtus ccerulescente. 

 Bustard } with the body above reddish, with dusky spots and 



stripes, bluish beneath. 



Inhabits southern Africa. 



GENUS CCCXI.— TETRAX, Leach. BUSTARNELLE. 

 Generic character: vide Steph. v. xi. 454. 



FAMILY V.~CRACIDiE. 



Rostrum diversum: caput plumosum aid plus niinusve nudum: 



pedes tetradactyli, digitus posticus validus, elongatus: tarsi 



reticulati aut annulati, hand calcarati. 

 Beak various : head plumose or more or less naked : legs with 



four toes, the hinder toe stout, elongated : tarsi reticulated or 



annulatcd, without spurs. 



