Mypual Reing 1969 journal Papa Leon Tree, (50+ ft.), Depto. Lurín, Peru Along the highway there is abundant evidence of mice. Their tracks are plainly visible in the fine, moist sand. There seem to be highways along cover of rocks. They probably feed on garbage dumped from cars. Fox tracks are in the same general area. We turned over several rocks, but didn't find any mice beneath them. Then we went to the area east of where we are living, in the rocky canyons. There is a lot of cactus growing there, and lots of yellow lilies blooming; along with various other kinds of plants. One small area had little green plants that held a layer of moisture on top: T 12:15pm. We injected 2 Thomasomys and the 2 & Phyllotis darwini we caught and will take chromosomes in a couple of hours. 4:00pm - finished the mice and went to a Tillandsia area, 8 mi. SE of Chilca, to set traps. We set 68 folding shermans and 67 small shermans. Ray took 39 folding shermans up and over a Tillandsia hill. I took 34 small shermans over around the right side of the hill, Carol set 33 small shermans angled off to the right of us, and Dr. Mrs.