Marshall, 1939 General Comment Staywhill[illegible], July 26, (cont.) or mammals would be common. There was an opening in the forest opposite camp - where the er. ran across a little wet meadow. Hall & I set traps along this meadow & further downstream among the willows. 60 traps were set - Hall used oats + peanut butter - & need gt care in choosing good places to set them. For water-shrews, he chose the places where they would have to go, in order to get up & down stream. We found Microtus runs with freshly-cut grass & set traps along them. Also some at the sides of logs & in little trails (illegible) thru the forest undergrowth. We used red cloth markers, which were placed so that they could be seen from the adjacent traps. No interval was used; merely rather, advantageous qualities were sought. See Dr. Hall's notebook. Take water shrew - in a trap set near a little hole in the mud at the water's edge. 2. Several large Microtus - in the traps set along their runways in the little meadow.