Field Museum of Natural History. 



Publication 159. 



Geological Series. Vol. IV, No. 2. 



NEW OR LITTLE KNOWN TITANOTHERES 



FROM THE LOWER UINTAH 



FORMATIONS 



With Notes on the Stratigraphy and Distribution of Fossils. 



by- 

 Elmer S. Riggs 

 Assistant Curator of Paleontology. 



Oliver Cummings Farrington, 

 Curator, Department of Geology. 



Chicago, U. S. A. 



June, 1912. 



