92 



SIR J. WILLIAM DAWSON ON THE 



Antholithes horridus, Dawson, Peace Biver, Old Man River. 



Salisburia (Gingko) Sibirica, Heer, Martin Brook. A species found in the so-called 



Jurassic of Siberia. 



<S. (Gingko) nana, Dawsou, Coal Brook. 



Salisburia, Nuts of, various places. 



Baiera longifolia, Heer, Martin Creek ; also in Jurassic of Siberia. 



Pinus Susktvaensis, Dawsou, Suskwa Martin Creek and Coal Brook. 



P. Nordenskioldii ? Heer. Broader linear leaves possibly of this species, Martin 



Creek. 



Sequoia Smithiana, Heer, Coal Creek, Crow's Nest Pass. This is found in the Lower 



Cretaceous of G-reenlaud. 



Ghjptostrobus GrœiUandicus, Heer, Old Man River, Lower Cretaceous, G-reenland. 



Taxodium cuneatuvi, Newberry. Found by Newberry in the Cretaceous of the 

 "West Coast. 



Above the beds holding these fossils are layers (the Intermediate Series) ' containing 

 two angiospermous leaves, named respectively : 



Sterculia vetustala, Dawson, Old Man River. 



Laurus crassinervis, Dawson, Old Man River, Suskwa. 



The next beds in ascending order, the Mill Creek series, contain several distinct 



species of angiospermous leaves. 



IV. — Plants from Anthracite and Canmore, noticed in 

 the present paper, May, 1892. % 



III. — Plants coUecled by Dr. Newberry at Great Fulls, 

 Montana. American Journal of Science, March, 

 1891, Page 191. 



Thyrsopteris rarinervis, Fontaine.* 

 " insignis, F.* 



" brevipennis, F.* 



" ■ brevifolia, F.* 



Aspidium Frederieksburgense, F.*t ? 

 Pecopteris Browniana, Dunker.*+ 

 Cladophlebis distans, F.* 

 " parva, F.* 



" conslTKta, v.* 



Oleandra arclica, Heer. 

 Clieiropteris Williamsii, "Newberry. 

 S. spatrdata, N. 

 Cladophlebis angmtifolia, N. 

 Zamites Montana, Dawson.f 

 " acutipennis, Heer.f 

 " borcalis, Heer. 

 " aperlus, Newberry. 

 Podozamites nervosa, N. 

 Baiera. 



Sequoia PeichenbacJiii, Heer.* 

 " Smithiana, H.f 

 " Gracilis, H. 

 " aeiitifolia, Newberry. 

 Sphenolepidium Virginicum, F.* 

 Carpolithes Virginiensis, F.* 



* Found in the Potomac Group, 

 t Found in Canadian Kootanie. 

 Î (P.) Potomac, (W.) Wealden, (G.) Greenland, (S.) Siberia, 



Equiselum Lyelli, Man tell, P.W.G- 

 Angiopteridium Canmorense, s.n. A. 

 Pecopteris Browniana, Uunker,J P. 

 Cladophlebis falcata, Fontaine, P. 



sp. 

 Aspidium Frederieksburgense, P. W.? 

 Asplenium Martinianum, Dawson. 

 Sphenoptcris laliloba, P. 

 Zamites Montana, Dawson. 

 Dioonites borealis, Dn. 

 Williamsonia, sp. 

 Baieropsis, sp. 

 Leptostrobus longifolius, P. 

 Pinus (cyclopitus) Nordcnskioldii, Heer, S. 

 Pinus antliraciticiis, Dn. 

 Cephalotaxopsis, sp. 

 Carpolithes, sp. 

 Pagophyllum, sp. 



Sphenolepidiimi pachyphylhim ? P. 

 Cypcrites, sp- 



beds. 



' This is not yet defined stratigraphically, but is supposed to indicate a transition from the Kootanie to newer 



