CONTENTS 



Preface 

 Introduction 



PAGE 



5 



7 



MAMMALIA. 



CHAPTEK I. 



DESCRIPTIONS OP UNGULATA PARIDIGITATA 

 Fam. 1. — EUMINANTIA .... 

 Poebrotherium . 



Wilsonii 

 Agriochoerus 



antiquus 

 Oreodon 



Culbertsonii 



gracilis . 



Comparison between Oreodon Culbertsonii and Oreodon gracilis 

 Oreodon major . 

 Eucrotaphus 



Jaoksoni 



auritus . 

 Pam. 2. — Pabidigitata Ordinaria 

 Archaeotberium 



Mortoni 



robustum 



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Earn, 



CHAPTER II. 



descriptions op ungulata imparidigitata 

 1. — solipedia 



Anobitherium . 



Bairdii . 

 Pam. 2. — Imparidigitata Ordinaria 

 Titanotberium 



Proutii . 

 Palaeotberium . 



giganteum 

 Rbinoceros 



occidentalis 



Nebrascensis 



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