Roderick Mackenzie, cousin of Sir Alexander Mackenzie, built Fort Chipewyan on Lake Athabasca in 1788.
He added also to their chiefships, and on the 1st of April hoisted the British flag, made a new treaty with Mwanga, and sent Major Roderick Owen to enlist 400 Sudanese from the Toro colonies.
We shall pass over here the labours of Adam Sedgwick (1785-1873) and Sir Roderick Murchison (1792-1871) in the Palaeozoic of England, which because of their close relation to stratigraphy more properly concern geology; but must mention the grand contributions of Joachim Barrande (1799-1883), published in his Systeme silurien du centre de la Boheme, the first volume of which appeared in 1852.
In 713, two years after the defeat and death of Roderick, the last Visigothic king, all Spain, except Galicia and Asturias, fell into the hands of the Moors.
Soc., March 1867) the disturbances which produced the present lake took place in the course of the middle ages; while Sir Roderick Murchison contended (Journ.