Am. Jour. Sci., Vol. XXXVIII, 



Plate VII 



2.X2 



3.x2 



4.x2 



6.x2 



7.x2 



10.x 



11. x3 



12.X3 



13. 14.X2 15.X2 16.X2 



17. 



18.X2 



19.X2 



20.X2 



21.X2 



22. 23.x 



^ G 



24. 



25.x2 



26. 



27. xs 28.x2 



29.x 



American Cretaceous Mammals. 



