CONTENTS 



Page 



Introduction i 



Acknowledgments 3 



Geologic relations 4 



The Wasatch mammalian faunas 8 



Occurrences and faunal correlations 8 



Systematic description of Mammalia 21 



Marsupialia 21 



Insectivora 22 



Primates 27 



Tillodontia 42 



Taeniodonta 44 



Edentata 44 



Rodentia 45 



Carnivora 50 



Condylarthra 61 



Pantodonta 70 



Dinocerata 71 



Perissodactyla 72 



Arliodactyla 80 



References 86 



Explanation of plates 90 



lU 



