238 GEOLOGY OF THE DENVER BASIN. 



Fred Steele, on the Union Pacific Railroad, and 28 miles northwest of 

 Carbon Station. As a glance at the atlas of the Fortieth Parallel Survey 

 will show, it is very probable that this dinosaurian locality is in the same 

 formation which occurs about Carl ion. This latter locality has yielded a 

 number of fossil leaves which have been included in the Laramie flora 

 by Lesquereux, Ward, and others. The paleobotanists have, however, 

 always recognized that the Carbon flora was similar to that of Table 

 Mountain, at Golden, and this similarity is continued by Mr. Knowlton's 

 recent review, although a table of species is not yet ready for publication. 

 It will be remembered, also, that two species of the Sedalia flora, supposed 

 to be Arapahoe, are known elsewhere only at Carbon. 



In closing his discussion of the Middle Park beds 1 the writer pointed 

 out that while no equivalents of the Arapahoe were known between the 

 eroded Cretaceous section and the Middle Park equivalent of the Denver, 

 the Carbon and Black Butte floras were so much like the Denver flora, and 

 the localities so situated with regard to the mountain area of Middle and 

 North Parks, as to make natural the suggestion "that the plant-bearing 

 beds of these two localities (Carbon and Black Butte) may possibly repre- 

 sent the deposits contemporaneous with the erosion preceding the Middle 

 Park period." This suggestion seems to become more and more plausible 

 as the distinction between the Laramie and Denver floras becomes better 

 known. If the new Ceratops locality is actually in the same formation 

 with the plant beds of Carbon an important field for investigation is 

 certainly indicated. 



Mr. Hatcher also states that remains of the Ceratopsida?. have been 

 found on the eastern slope of the Big Horn Mountains, about 40 miles 

 south of Buffalo, Wyo. 



The ceratops beds of Montana. — Next to the locality of Converse County, Wyo., 

 that of Judith River Basin, in Montana, is the most important known 

 locality for the Ceratops fauna. It was here that Prof. E. D. Cope discov- 

 ered several representatives of this fauna in 187(5, the genera Dysgamis 

 and Monoclonius of Cope being now recognized as horned dinosaurs. 

 While the original description of Professor Cope was in an article entitled 



■The post-Laramie beds of Middle Turk, Colo. : Proc. Colo. Sci. Soc, Vol. Ill, 1891. 



