150 ROYAL SOCIETY OF CANADA 
the entire district, as might be expected in deep water sediments, it 
seems probable that the greater part if not the whole of the area in 
question must now be regarded as Silurian. à 
Thus in each of the great tracts of Pre-Carboniferous rocks in 
central New Brunswick progress towards a more assured view of their 
age is being made. While, however, the country remains as at present, 
largely unsettled and forest-clad, only general results can be expected, 
the details of distribution and of structure having to await later investi- 
gation. 
