P. PEARSON 1951 In the afternoon 5 indiana models upstream with long handled fishnets trying to net fish. They seemed to herd the fish upstream, then try to close in on them in deep pools. Frequently one man up on a rock overlooking the pool directing operations. Dec 18 Temp at sunrise 27°. Night clear, frosty, ice on puddles. At 10 a.m. temp. 50°. Sanguiria pig near our camp in the canyon. Left at 10 for Pano (12:45) and Roro (2:30). Shopping etc. in Roro. Normal. Then up onto pasture toward arequipa about 15 km. Camped in rich pasture with eutrophic rock outcroppings. Put out about 25 museum-species just at dark. Day clear and sunny with gorgeous clouds near lakes. Evening clear + windy, 13,300 ft. 14,300, 70 km E Roro. Dec 19 Temp 25°. Drove to about 105 km. past; then stopped for day because ants + birds were all feeling sick. Took photos of grubs and cutox and their island nests at Laguna Umayo. Bull nests whitened by droppings, squarchy when stones is tossed on them. Put out at 3:30 about 55 museum-species in rich-rock-thorn (Mongyrea pus stricor). Not much mouse sign. One herd of mice rather tame near camp. Day clear but clouds gathered overhead in late afternoon, then caling of [illegible] clouds but clear all around edges gorgeous thundered in north at sunset. Then clear overbes after sundown with a few clouds to the east. Dec 20 Temp at sunrise 24°, at 7 a.m. 32°; Butterflies were flying at 6:30 a.m. in the sun. Traps not touched! took photos of cluster of huts in valley at sunrise, a very earthy + peaceful setting. While taking the photo u