310 ASSINNIBOINE AND SASKATCHEWAN EXPEDITION. 



logical aspect as those of the Souris ; organic remains 

 were scarce, but in sufficient numbers and variety to 

 establish their position. A band of soft yellowish-green 

 substance, resembling some varieties of soap-stone, was 

 observed forming a characteristic feature in the exposure 

 of the shales at this place. An analysis of the material 

 composing the green band is introduced in the Chapter on 

 the Cretaceous Series, Vol. II. In the low valley of the As- 



Fort Ellice, Beaver Creek. 



sinniboine, to which I descended, similar exposures arising 

 from land-slips were also seen. The section exposed was 

 capped by about ten feet of coarse gravelly drift on the 

 brink of the deep and broad excavation which now forms 

 the valley proper of the river. The shales resemble those 

 on the Souris, but contain fewer fossils, and are perhaps 

 more fissile and less impregnated with oxide of iron. 



Three more bulls were seen on the following morn- 

 ing, but being anxious to reach Fort Ellice, and already 



