MAP B. (Scale approximately, i inch = 36 miles.) >Map showing on a larger scale 

 the area within the square bracket on the west side of Map A . Gneiss and other 

 igneous rocks belonging to the oldest geological period, the Archaean, are in- 

 dicated so far as their areas have been surveyed, by solid black. Basalts and 

 volcanic ash are indicated by white with black dots; sedimentary rocks by black 

 with white dots. The edge of the inland ice is shown by wavy black lines. 

 Most of the places visited and mentioned in the text are marked on the map. 



Motor boat routes thus . A. Ata. Atk. Atanikerdluk. C. M. Government 



Coal-mine. G. Godhavn. J. Jakobshavn. N. Niakornat. P. Patoot. R. Ritenbenk. 

 S. Sarkak. Sk. Skansen. U. Ujaragsugssuk. Um. Umanak. 



