Mypuel Gerv journal 45 July 23. (Carl.) Papa Leon Tree, 150+ ft., Dept. Lima, Peru vegetation was almost pure Distichlis, with various densities. In the process of setting the traps I saw, or rather flushed 6 mice? Apparently they are active at 3:00 in the afternoon. Most were at the edge of the vegetation & ran, jump- + leaping, into the dense Distichlis. In the pond around the vegetation were holes with mouse prints all around. The holes went down at a slant. I recognized a couple of the mice as Mus. One was a large one, perhaps an Oryzomyx or a Rattus. One Phyllotis-sized animal was dark with a whitish ventral. Carl set about 30 small Sherman's in the Salicornia around ponds & Mrs. Pearson set about 20 traps in some Distichlis + ear the cliffs where Kay had trapped before. We had the mist net up in the backyard today and cought 2 Zonotrichia capensis, a vermilion flycatcher, Spinus (goldfinch), a hummingbird (Amazilia amazila) and a dove (Eupula). July 24 Spent the day in Lima today. This morning at 5:45 Carl, Mrs. Pearson & I checked our traps. I had Mus in 7 traps. Four of these traps, set out where the Distichlis is thicker, had 2 mice in each. Most of the other traps had the bait all gone & had dirt + mouse trappings in them, indicating that a Mus had been there. Apparently,