58 



THE PLAINS. 



leading to a different principal stream, the novice in plains 

 travel had better be careful. Before entering them he 

 should assure himself of his course, take compass bearings 

 of one or more prominent objects, and must also note all 

 important changes of direction made while travelling in 

 the new system. 



Should the camp be located on a tributary of a main 

 stream, and the hunter desire to go down for his hunt, 

 he will find the difficulties of his return infinitely 

 increased. In going up he knows that every tributary, 

 every lateral branch, on which he is to hunt, has united 

 each with another and all with the stem on which his camp 

 is, before he arrives there. In going down he passes the 

 mouths of other ravines, many almost like that on which 

 is his camp, and each of which is the outlet of numberless 

 tributaries. On his return he is likely to find no little 

 difficulty in deciding which of the apparently innumerable 

 branches is the one he ought to follow. 



The problem of the ' ravines ' is exactly the reverse 

 of the ' divides.' The above map will explain more 



