Jonich 1953 49 Eskimo Notes July 10 Point Barrow, Alaska port the Eskimo economy. Primitively the harpoon was the key to the whole picture and it was the development of this fairly complicated refinement of stone, bone, hide, and driftwood that allowed occupancy of the northern ocean shores. A harpoon as is referred to here implies a detachable head that lodges in the game and which is attached by a line to a float of some kind. Inflated seal skins are still used for this purpose. It is conjectured that as man moved into colder regions the most important change in the way of life was in the kind of fuel, from driftwood to seal oil or other animal fat. The skin shelter with drift- wood fire demanded a large chimney opening and could not be used in extreme cold be- cause too much fresh air had to be admitted to dispel the smoke. The snow house was the answer: [sketch of a snow house with a passage] This could be heated by the small oil flame so that the living was comfortable but yet