48 Sir ALEXANDER MACKENZIE a half miles, some of them very rough. In the rapid at Pelican Portage one of the Indian canoes was lost; the woman who was its sole occupant barely escaped. The last portage bore the melancholy name of Portage des Noyés, so common on al] the highways of the fur-trade, in memory of the drowning of five voyageurs in 1786. In spite of the gruelling work at the portages, thirty miles were made that day. It took the party nearly four days more to reach Great Slave Lake, because violent wind and rain delayed them for a day anda half. The total length of Slave River is about three hundred miles, and Mackenzie reached its mouth on the morning of the seventh day, June 9. Great Slave Lake, fifth in size of all the lakes in America, is still a terror to the navi- gators of the north. Mackenzie found it covered with ice, and the weather became cold enough to end for a time the plague of mosquitoes. He steered inside some islands along a narrow ice-free channel to a spot, a few miles to the east of the river’s mouth, where Leroux had built some huts in 1786,