88 



BULLETIN 171, UNITED STATES NATIONAL MUSEUM 



second premolar in the eland though large is markedly simple. The 

 fossil P3 is particularly distinctive. The anterior portion of this tooth 

 is broader than in the eland, and the prominent lingual fold is deeply 

 pocketed. The extension of the inner wall encloses the fold for a 



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greater portion of the crown height. The prominent lingual fold in the 

 third premolar of the eland is open in all specimens that were examined. 

 The fourth premolar of the fossil jaw possesses a talonid column hav- 

 ing a somewhat greater anteroposterior development; apparently this 

 tooth is more nearly molariform. 



