Douglass : Dromomeryx. 



471 



from Montana which have been referred to this species, as the frag- 

 ment shows no characters which would distinguish it from the type- 

 species, though it can only be referred provisionally to Dromomeryx 

 borealis. It is much larger than any of the other specimens from the 

 deposits in the Lower Madison Valley. 



Fig. 2. Dromomeryx borealis (.■?). Portion of brain-case. Carnegie Museum 

 Catalogue of Vertebrate Fossils No. 806. From Miocene deposits, Lower Madison 

 Valley, Montana. One fourth natural size. 



Fig. 3. Drymomiryx borealis (z). Portion of brain-case. Carnegie Museum 

 Catalogue of Vertebrate Fossils No. ?o6. From Miocene deposits, Lower Madison 

 Valley, Montana. One fourth natural size. 



Four other specimens from the Lower Madison Valley are referred 

 provisionally to Dromomeryx. They are in the collections in the 

 Carnegie Museum and have the following numbers : 



