NATIVE TRIBES. 15 for hundreds of years. “Chis “ find” confirms the opinion that the first flow of migrants were racially diverse from those who followed after an unknown interval of time; that these earlier streams spread east and south over the continent, small tributaries only trickling down the western seaboard. ‘These either died out or PLATE I. Photo by courtesy of P. T. Timms. GREAT FRASER MIDDEN, VANCOUVER, B.C. This Midden in former days covered an area of 4% acres, with a maximum depth of over 15 feet; the site being now almost entirely occupied by the town of Marpole. It probably dates back considerably over a thousand years and its period of formation extended over many centuries. In addition to the excavation of many bone, stone, and ivory implements and utensils, skulls have been recovered of a markedly long-headed people, who preceded the existing broad-headed race of native tribes.