42 CONTRIBUTIONS TO PAL^ONTOLOGY 



Quercus whitmani Knowlton = Dryophyllum subfalcatum Lesquereux. 



Rhamnites knowltoni Berry (in part) = Ficus crossii Ward. 



Rhamnus belmontensis Knowlton and Cockerell = Rhamnus salicifolius Lesquereux. 



Rhamnus brittoni Knowlton = Rhamnus cleburni Lesquereux. 



Rhamnus elegans Newberry = Rhamnus salicifolius Lesquereux. 



Rhamnus rectinervis Heer of Lesquereux (in part) = Rhamnus cleburni Lesquereux. 



Rhus pseudo-meriani Lesquereux = Dryophyllum subfalcatum Lesquereux. 



Sabal communis Lesquereux = Sabalites eocenica (Lesquereux) Dorf, n. conib. 



Sabalf eocenica linowlton = Sabalites eocenica (Lesquereux) Dorf, n. comb. 



Sabal inquirenda Knowlton = Sabalites eocenica (Lesquereux) Dorf, n. comb. 



Sabal montana Knowlton = Sabalites montana (Knowlton) Dorf, n. comb. 



Sabal? rugosa linowlton = Sabalites eocenica (Lesquereux) Dorf , n. comb. 



Sabalites fructifer Lesquereux (in part) = Leguminosites arachioides minor Berry. 



Sabalites grayanus (Lesquereux) Lesquereux (in part) = Sabalites montana (Knowlton) Dorf, 



n. comb. 

 Ulmus? irregularis Lesquereux = Ficus coloradensis Cockerell. 

 Viburnum contortum Lesquereux? of Knowlton = Q^iercus vibiirnifolia Lesquereux. 

 Viburnum? problematicum Knowlton = Viburnum montanum Knowlton. 

 Vitis dakotana Berry = Vitis stantoni (Knowlton) Brown. 

 Zingiberites? undulatus Lesquereux = Zingiberites dubius Lesquereux. 

 Zizyphus coloradense Knowlton = Zizyphus hendersoni Knowlton. 



