PLEISTOCENE FOSSILS. 277 



4. Acer saccJiarinum, Wang. Green's Creek, Ottawa (J.W. Dawson). 



5. Acer pleistocenicum, sp. nov. Don River, Toronto (Townsend). 



6. Potentilla anserina, L. 



Green's Creek, Ottawa (J. W. Dawson and Miller). 



7. Gaylussacia resinosa, Torr. and Gray. 



Green's Creek, Ottawa (J. W. Dawson). 



8. Menyanthes trifoliata, L. Leda clays, Montreal.* 



9. Ulmus racemosa, Thomas, Don River, Toronto (Townsend). 



10. Populvs balsamifera, L. Green's Creek, Ottawa (J. W. Dawson). 



11. Populus grandidentata, Michx. 



Leda clays, Montreal (Weston). 

 Green's Creek nodules (Stewart). 



12. Picea alba, Link. Bloomington, 111. (Andrews). 



13. Larix americana, Michx. Leda clays, Montreal (Weston). 



14. Thuya occidentalis, L. 



Leda clays, Montreal (J. W. Dawson). 

 Leda River, Manitoba (Dr. G. M. Dawson). 

 Marietta, Ohio (Newberry). 



15. Taxus baccata, L. 



Don River, Toronto (Townsend). 



Solsgirth, Manitoba (G. M. Dawson and Tyrrell). 



Rolling River, Manitoba (Tyrrell). 



Cape Breton (Sir William Dawson). 



Bloomington, 111. (Andrews). 



1 6. Potamogeton perfoliatus, L. Green's Creek, Ottawa ( J. W. Dawson). 



17. Potamogeton pusillus, L. Green's Creek, Ottawa (J. W. Dawson). 



18. Potamogeton rutilans (?), Wolfgang. Green's Creek nodule (Stewart). 



19. Elodea canadensis (?), Michx. Rolling River, Manitoba (Tyrrell). 



20. Vallisneria (?). Rolling River, Manitoba (Tyrrell). 



21. Car ex magellanica, Lamarck. 



Green's Creek nodules, Ottawa (Miller and Stewart). 



22. Oryzopsis asperifolia, Michx. Green's Creek, Ottawa (J. W. Dawson). 



23. Bromus ciliatus (?), L. Green's Creek, Ottawa (Miller). 



24. Equisetum syhaticum (?), L. Green's Creek nodules (Stewart). 



25. Equisetum limosum (?), L. Green's Creek, nodules (Stewart). 



26. Equisetum scirpoides. Michx. Green's Creek, Ottawa (J. W. Dawson). 



27. Fontinalis (?), sp. Green's Creek, Ottawa (J. W. Dawson). 



28. Fucus, sp. Green's Creek, Ottawa (J. W. Dawson). 



29. Navicula lata. Rolling River, Manitoba. 



30. Encyonema prostratum. Rolling River, Manitoba. 



* Collection of Sir William Dawson in Peter Redpath Museum. 



