Chatham, and Wentworth, and at Barrow Island in the St. Lawrence. 1 Nova Scotia. Syenite, in company with porphyry, suitable for building and ornamental purposes, is extensively developed amongst the Cobequid Moun tains, and on the east side of Bras d’Or; but owing to the inland position of the former locality, and the absence of local demand, it is not at present turned to much use. 2 1 Logan, Geology of Canada. 2 Dawson, Acadian Geology, p. 593.