EVIDENCES OF RECENT ELEVATION 



19 



while in others only one or two would occur. These were, in 

 most cases, well developed, level topped, and composed of well- 

 rounded, water-worn material, four-fifths of which was distinctly 



f\\ ^ 



Sketch Map of the Hudson Bay Region. 

 Baffin Land and Labrador. 



derived from the local gneisses. However, thev contained as well 

 quite a noticeable quantit}- of foreign material, c. g., shale, lime- 

 stone, quartzite, etc. This material was variable in size in the lower 

 beaches, and also in several of the higher, though noticeably uni- 

 form and coarse for the higher ones. With reference to the size of 

 the materials composing these beaches, several different types 



