ipo KNOWLTON 



Sequoia nordenskioldi Heer. 



Corylus americana Walt. 



Corylus rostrata Ait. 



Betula sp. 



Populus accrifolia? Newb. 



Popidus genetrix? Newb. 



Hicoria antiquorum (Newb.) Knowlton. 



Hicoria sp. 



Sapindus grandifoliolus Ward. 



Planera sp. 



Celastrus ovatus Ward. 



At a point on Sheep Creek about 40 miles east of Miles City (Sec. 

 16, T. 6 N., R. 52 E.) Collier obtained from just above the "D" 

 coal the following vertebrate remains which were determined by 

 Mr. C. W. Gilmore of the United States National Museum: 



Champsosauriis sp. 

 Crocodylus sp. 

 Dinosaur fragments. 

 Turtles. 

 Ganoid fish. 

 Also a mammal tooth which Mr. J. W. Gidley has identified as Chriacus? sp. 



On Powder River, about 12 miles above Hockett, Montana, and 

 a few miles south of the above mentioned locality, Brown^" reports 

 finding parts of a Triceratops skeleton in the dark shale near the 

 level of the stream and states that other fragmentary dinosaur bones 

 were observed. In the vicinity of the Chalk Buttes, 20 miles west of 

 Eklaka, Montana, dinosaur and other vertebrate remains were ob- 

 tained by an expedition from the Field Museum of Natural History 

 of Chicago. I am informed by Mr. E. S. Riggs, who conducted the 

 party, that the following forms were secured: 



A fine skull of Triceratops calicornis, two skulls of other species, and 

 a number of other specimens, of Ceratopsia, also a carapace and plas- 

 tron of Basilcmys sinuosa, and individual bones of Trachydon and 

 Chajnpsosaurus. 



3. FORSYTH, MONTANA. 



The characteristic dark sandstones and clays of the lower Fort 

 Union are known to extend as the surface formation for a distance 



*" Bull. Am. Mas. Nat. Hist., vol. 22, 1907, p. 823. 



