Sunlight, duration of, in the North-West, [145]
T
Tar-sands, discovery of, in Athabasca River, [186]
Thlaspi arvense, prevalence of, [261]
Timber, abundance of, around Lake St. John, [37]
——, ——, in Northern Saskatchewan, [198], [200]
——, cutting, processes of, [63]
—— in the North, considerable wealth of, [141]
——, quantities of, in Vancouver, [257]
——, size of in the Ile à la Crosse district, [197]