3 8o 



Leaving the agglomerate the route lies through the 

 beautiful islanded part of Lake of the Woods which extends 

 for about io miles (16 km.) from Kenora. On the main- 

 land is a large brick school devoted to the education of 

 Indians, while the cottages of the summer residents are to 

 be seen on nearly every island. A narrow channel, known 



The Devil's Gap. 



as Devil's Gap, separates Rat Portage bay from the main 

 part of the lake, and in passing through it the peculiar 

 landmark which gives this channel its name is seen on the 

 left. The rock along the shores is the characteristic ellip- 

 soidal trap of the Keewatin, though the ellipses are not so 

 marked as some that are to be seen later. Although 

 showing a well preserved elliptical structure, all these rocks 

 when broken exhibit a schistose structure. On a small 

 island on the left of the channel is an outcrop of felsite 

 which is probably connected with the Laurentian. 



On the mainland to the left is an exposure of trap which 

 has been referred to a later age by Dr. Lawson. This 

 trap is so distinct in appearance from the other later traps 

 and so similar to the recrystallized traps in contact with 



