RUMINANTIA. 



365 



Greece, and belonging to the living genus Gazella and to 

 various extinct types. Of the latter, the genus Palceoreas 

 (fig. 653) is supposed to be allied to the living Eland 



Fig. 653. — Skull of Palceoreas Linderimiyerl, witliout the lower jaw, reduced in size. 

 Upper Miocene. (After Gaudrj^.) 



(Oreas canna) of South Africa, in which the horns are 

 nearly straight, but have a spiral twist. Pcdceoryx, again, 

 is supposed to be allied to the living Gemsboks [Ortjx) 

 of Africa, and possessed long curved horns, while Palceo- 

 tragus and Tragoceras appear to be true Antelopes, though 

 the latter possesses very Goat -like horns. No important 

 remains of Antelopes of the ordinary type are known from 

 the Pliocene deposits ; but remains of a Chamois {Rupi- 

 capra) have been found in the cave-deposits (Post-Pliocene) 

 of Prance, and bones of the living genus Antilope and the 

 extinct genus Leptothermm are said to occur in the bone- 

 caves of Brazil. No North American Antelopes are known 

 as fossils (unless the Pliocene Cosoryx be an aberrant type 

 of this family), and there is some doubt as to the reported 

 occurrence of Antilopidce in South America. 



By far the most remarkable fossils, however, which have 



