P. PEARSON 1955 Good for Phyllotia. North of Chola is some good foggy loma. Just after you emerge into the sunshine at the north end of it, the vegetation stops. At this point a strong east wind was blowing. A few miles further on a strong west wind was blowing sand down across the road. Put out 1 1/2 bags of traps on two hills of Tillandsia sticking out above almost pure desert. Some lichen around base of hills, then mostly Tillandsia although a few succulents, a few small cacti, and a few flowers. No definite signs of mice although a few burrows plugged with lichen* near the base of one of the hills. Top tracks. Snail shells. No birds seen. These hills are at 4km, 49 9 and 501 S of Lima. *The lichen tend to collect in depressions, hence not plugged. Also, they are probably dropping by foot after arthropods. Found one for dropping with only arthropoda. Oct. 21 Morning foggy. Traps untouched. This stops 12 km. by road S of the Marcona crossroad. Loma vegetation stopped a few miles N of the crossroad and the sun came out slow. Stopped at beach north of Chiriba for cornmut + peban skeletons, then north to our old camp 10 mi N Cariste, mighty little vegetation here. A few Tillandsia (90% dead), a few hair-rot cactus, and lichens. Put out 1 1/2 bags of traps. Found Lh amine skeleton on top of hill. Oct. 22 Nothing in traps. Foot trace. Drive to Lima, then set a bag of traps at 1 mi W Surco (Rodge place) and some rat traps +5 mouse species at 1 mi E San Bartolome (Zuniga st place).