PLATE XL VII. 



Page. 



Fig. 1. Populites litigiosas (Heer) Lesq ■ 46 



2, 3. Popiilites elegan8 Lesq - 47 



4. Populitee litigiosus (Heer) Lesq 46 



5. Populus hyperborea Heer --- 43 



6. Fagus orbiotilata, sp. nov 51 



7. Quercns snspecta, sp. nov 52 



352 



