SOUTHEAST WING 

 Hall of the Age of Mammals 

 Fossil Mammals of the Tertl\uy Pehiod 



Return to the East Corridor and continue into the Southeast Wing 

 or Tertiary Hall which contains tlie P^ossil Mammals of the Tertiary 

 Period. 



The f>'eological age to which all the fossils shown in this hall belong 

 covers a period of from lOO.OOO to 3,000,000 years. At each side of the 

 entrance are charts indicating the successive periods of time from the 

 Triassic to the Tertiary, and the animal life which jn^tained to each. 



Restoration of Eoliippus, tlie four-iocd lior.sc. This anopstor of tlii' iiiodt'rn horse, scarcely lariier 

 than the red fox, lived some three niillioris of years ago. U comes from the Lower Eocene of 

 Wyoming and New Mexico. 



Careful guides and exhaustive cards of explanation, ])hotographs. and 



window transparencies coml)ine to mak(> the entire exhibit ilknmnative 



and interesting. 



The particular feature of this hall is the wonderful s(>ri(>s in the cases 



by the entrance and in the first alcoves on the right showing the evolution 



of the horse in nature. The Museum is justly proud of this 



vo u ion collection. Not only is it the largest and finest series of 



of the .... . , , I I • ■ 1 



jjjjj.gg ios.sil horse skeletoiis m the world, l)ut it is larger than the 



combined collections of all other institutions, and it con- 



los 



