222 ROYAL SOCIETY OF CANADA 
solve both difficulties at one stroke by extending the boundary in a 
Straight line from the eastern end of the highlands to the source of 
the river Restigouche, which it follows to the head of Bay Chaleur. 



Map No. 15. DesBarres, 1780. 
From original ; x 4. 
Others, on the other hand, of which the fine map of DesBarres (Map 
No. 15), by far the best that had appeared up to that time for the 
interior of New Brunswick, run the boundary around the northern 
source of the Restigouche, and thence down by the shortest line to the 
head of Bay Chaleur. 
