Child 1955 Lemms 5 July 22 Wainwright, Alaska Traps set close together. I would say at present predators are not a problem here for the lemmings. Almost no gaezers or owls around. It is interesting and perhaps significant to note the 3 dimensional use of polygonized areas. In winter it seems they utilize the material on the polygon tops to move downward as the snow melts and as the water drains and dries in the troughs. In many instances dusted runways paralleling the pool edges at different levels as if the animals move downward into the cover as it be- comes available. There is, of course, a lot of growth in the troughs of Carex (?) while water is still there and the lemming can move into the interstices when drying takes place. Suppose that in high years that this growth is removed as soon as it dries enough around it & become vulnerable to lemming attack. Some of the Eskimos indicated that they catch lemmings in their ice cellars. These would act as natural pit traps being some 20-40 feet deep