Childs 1955 Lemmus 3 July 9 Atkaash, Meade River, Alaska occurrence. This species is noted for the abundance of ecological evidence it leaves behind. One of the microtine trio, probably this species makes scatotria in its runways in which by use, the scats are broken down into a green, cement-like covering that may be a foot long in the runway. In another instance Child & I found a winter nest from which was extended a scat plug 1½" in diameter and was a foot long. This had remained intact when the snow melted. I did not observe the scat platforms except in marshy flat areas. July 15 Wainwright Alaska See journal. Very abundant here. Carex and Eriophorum tussocks completely mowed last winter. Windows of dead glass everywhere yet little above ground activity seen. Caught me on surface. 14 in traps since last night. No evidence of Dicrostonyx yet. July 16 On running the transects it was apparent that lemmus was no longer being the tops of the polygons but that it was down in the