PLATE VII. 



Figs. 24, 2f>. Kiiinoci-:i:<>* I'M'iin rs. A left inferior molar tooth, from Bridger Creek, Oregon, belonging 

 to the Condon collection. 



Fig. 24. View of t lie outer part of tin: crown. Fig. :!■>. Triturating surface of the same speci- 

 men. 



Fig. 26. A canine tooth of an undetermined animal, probably of a large carnivore, bul it may 

 bo of an Elotherium-like pachyderm. The specimen belongs to the Condon collection oi 

 Oregon fossils, and is labeled " Alkali Flats." 



Fig. 27. Elotherium imperatoe. A supposed incisor tooth, inner view. Specimen labeled "Bridge 



Creek," and belonging to the Condon collection of Cregor fossils. 



Figs. 28, 29. ELOTHERIUM Mortoni? An incisor tooth, obtained by Mr. Peirce, of Denver, twenty miles 

 • southeast from Cheyenne City, Wyoming. 



Fig. 28. Inner view of the tooth. Fig. 29. Outer view of the same. 



Fig. 30. Canine of an undetermined carnivore. It resembles the inferior canines of a bear 

 but is more compressed. Specimen discovered by Professor Haydeu on White River, Da- 

 kota, in 1866. The crown is compressed conical, with the inner surface defined in the 

 usual manner by acute borders. The fang exhibits a gibbous character. Length of crown 

 11 lines ; breadth at base, 8 lines ; thickness, 4£ lines. 



