CEEATOPSIA LOCALITIES. 



177 



About 10 miles above the mouth of Cow Creek, at the point where the old Fort Benton ana Cow Island freight road 

 leaves the creek and turns westward toward the Bearpaw Mountains, there is a conspicuous fault in the Judith River beds. 

 Immediately south of the fault * * * a prominent ridge composed of sediments belonging to the Judith River beds 

 projects into the valley of the creek. The type of Ceratops montanvs [pp. 100- 102] was obtained near the summit of this ridge. 



Accompanying Ceratops montanus were TracJiodon mirabilis, crocodiles, fishes, turtles, and 

 a number of fresh-water invertebrates. 



JUDITH RIVER (BELLY RIVER) LOCALITIES IN CANADA. 



It is to the explorations and consequent publications by Mr. L. M. Lambe, vertebrate 

 paleontologist to the Geological Survey of Canada, that we are indebted for a considerable 

 enriching of our knowledge concerning the earlier Ceratopsia. 



Fig. 122.— View of the west side of the valley of Red Deer River, Alberta, showing the lower Belly River beds. After Lambe. 



Stanton and Hatcher, in speaking of the Belly River exposures, say: 



The exposures examined by us in Canada are all in the southeastern portion of the large, continuous area of Belly River 

 beds mapped by Dawson, McConnell, and Tyrrell. They include both the top and bottom of the formation, as well as good 

 exposures of the overlying and underlying beds, and hence give a fair idea of the formation as described by Dawson. The 

 principal localities that have yielded the Belly River vertebrate fossils described by Lambe are on Red Deer River some 

 distance north of the most northern point visited by us, but we have no doubt that they are on the same horizons which we 

 studied. 



The genera and species of Ceratopsia described by Lambe were collected from the Judith 

 River (Belly River) beds in the Red Deer River district of Alberta, in the summers of 1897, 

 1898, and 1901. Mr. Lambe says of these explorations: 



In 1897 the writer descended the Red Deer River, starting from the village of Red Deer (in Alberta), and made collections 

 from the Edmonton subdivision of the Laramie, between Red Deer village and Willow Creek, and from the Belly River series 

 between Bull Pound Creek and Dead Lodge Canyon. 



mon xlix — 07- 



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iContr. Canadian Pal., vol. 3 (quarto), pt. 2, p. 25. 



