PLEISTOCENE FOSSILS. 275 



in the arctic regions, and described by so many arctic 

 explorers.* 



One of the most marked illustrations is that of the 

 boring at Solsgirth, in Manitoba, on the Manitoba and 

 North-western railway, and at an elevation of 1,757 feet 

 above the sea.f At this place the section is as follows : 



Feet. 



1. Loam 2 



2. Hard blue clay and gravel 42 



3. Hard blue clay and stones 10 



4. Hard yellow " hard pan " 12 



5. Softer bluish clay 16 



6. *' " " 74 



7. Sand with water 



8. Blue clay with stones 136 



9. Gray clay or shale (Cretaceous ?) 68 



360 



Fragments of wood, more or less decayed and com- 

 pressed, were obtained from depths of 96, 107, 120 and 

 135 feet from the surface. They were thus distributed 

 through a considerable thickness of the clay rather than 

 in a distinct interglacial deposit. It is to be observed, 

 however, they were included within the central part 

 characterized as a softer blue clay, between two beds 

 apparently harder and more stony. 



Additional specimens from this place have recently 

 been obtained by Mr. J. B. Tyrrell, of the Geological 

 Survey of Canada, and have been kindly communicated 

 to me. Mr. Tyrrell has also found vegetable remains in a 



* See Manual of l,he Natural History, Geology and Physica of 

 Greenland, by Professor T. R. Jones, issued by the Royal Society of 

 London, 1875, index— "Driftwood." 



+ Dr. G. M. Dawson, Trans. Royal Society Canada, Vol. IV., 1887* 

 sec. IV., p. 91. et seq. 



