The Eskimos proper differ but little from the southern and inland tribes of Alaska generally; few of them are ever seen south of Norton Sound or the mouths of the Yukon. Their home is in the Arctic portion of the Territory, bordering the Frozen Ocean and Behring Strait. It is obvious that climatic influences create among them different manners and customs, causing also a slightly different physical formation, but otherwise they seem to be of the same race as the people of the Alaska Peninsula, the Aleutian Islands, or indeed of any of the several groups and of the mainland lying to the south. That these Eskimos resemble physically the Norwegian Lapps, to be met with at about the same latitude in the eastern hemisphere, is very obvious to one who has carefully observed both races in their homes. This similarity extends in rather a remarkable degree also to their dress as well as domestic habits. In the region they occupy, near the source of the Kowak River, which empties into Kotzebue Sound by several mouths after a course of two or three hundred miles, is Jade Mountain, composed, as far as is known, of a light green stone which gives it the name it bears. An exploring party from the United States steamer Corwin brought away one or two hundred pounds of the mineral in the summer of 1884. The hardness and tenacity of these specimens are said to have been remarkable, as well as the exquisite polish which they exhibited when treated by the lapidist. Jade Mountain must be in latitude 68° north, between two and three hundred miles south of the Yukon above the line of Behring Strait. Yet the exploring party found the thermometer to register 90° Fah. in the shade, while their greatest annoyance was caused by the mosquitoes. The Kowak abounds in salmon, pike, and white-fish. “The ‘color’ of gold,” says the printed report of the expedition, “was obtained almost everywhere.” Nearly eighty species of birds were collected, though the party were absent from the Corwin but about seven weeks. The white spruce was found to be the largest and most abundant tree, and the inhabitants all Eskimos.