Lemmus trimucronatus 24 June - cont the edges of marshes or flats that flank along banks. The drainages running into Central Marsh show this heavy use for instance. Most of the higher ground, especially the ridges, have hardly been touched. River and stream courses and the bank-marsh type interflow are natural travel ways that one might expect moving lemmings to be channeled through. It is also interesting to note that the Eshino observations of lemmings along the Minare refer specifically to the river valley and not to the timber adjacent thereto. June Barrow to Melode River - very little lemming sign was seen east of Barrow. In the vicinity of Shell Cliff we flew at 100 ft for 5 minutes and during that time I saw only two local areas of heavily grazed ground - otherwise the vegetation on both the tundra ground and in marshes and around the edges of lakes was standing upright in good density. From Shell Cliff to the Coal Mine we flew at 700 ft. From that altitude I saw no areas of upturned cutting such as