LIST OF PLATES. 



II. 

 III. 



IV. 



\^ 



VI. 



VII. 



VIII. 



IX. 



X. 



XI. 



XII. 



XIII. 



XIV. 



XV. 



XVI. 



XVII. 



XVIII. 



XIX. 



XX. 



Right lateral view of the skeleton of /aca/ta ^ymnosfoma. See 



explanation, p. 70. 

 Contact between White River and Loup Fork, near Logan, Mon- 

 tana. See explanation, p. 199. 

 Proba'ena sctilpta Hay. See explanation, p. 203. 

 Figs. 1-4. ?)\l\A\o{ Oxydactyluslongipes. See explanation, p. 475. 

 Cervical vertebms of Oxydactylus longipes. See p. 475. 

 See explanation, p. 475. 

 See explanation, p. 475. 



475- 

 476. 

 476. 

 476. 

 476. 

 476. 

 476. 



Figs. 1-7 



Figs. 1-5 



Figs. 1-3 



Figs. 1-4 



Figs. 1-5 



Figs. 1-4 



Figs. 1-4 

 Figs. 1-5 

 Figs. 1-4 

 Figs. 1-5 



See explanation, p 

 See explanation, p 

 See explanation, p 

 See explanation, p 

 See explanation, p 

 See explanation, p 

 See explanation, p 



Oxydactylus /ongipes. See p. 476. 



Map of Presque Isle. 



Niagara Pond, Presque Isle 



Woodland at Head of Long Pond, Presque Isle. 



Big Pond, Presque Isle. 



John iiell Hatcher. 



