One of Benson's traplines ran along the acequia from about A7 going grid to the other complete upstream. On this part of the line he caught 4 Phyllos - all tagged (4284 P.O. near A4), 447 registers 20m east of A3, 437 & 60m +/- east of A1, and near A5. He also had traps on the slope north of the reservoir and caught no. 433; this must be at least 200 yards from the nearest part of the grid. Reservoir was empty at 6 pm with no water going in. at 6 a.m. it was full, with no water going in. They must fill it at night to provide maximum irrigation water during the day. but water flowing out to join the acequia Dissected about 1/2 pint of coarse droppings from the gully near Tillaidsia study area. Contained mostly invertebrates (spiders, scorpions), bird (only a few feathers), garbage (tin foil, cellophane, watermelon seeds), 1 mouse molar, teeth and fur of a diastemomorph such as vigeola ! Also belly section of a large lizard or of a snake. No other mouse bones, no gecko bones seen. Use: 6 Left 8:45 for Tacna and coast. Dry dry dry until after Santa "north of" Colorados; then some flowers begin to offer. Sozo enters at Quebrado El Burro, then a section of green on a 1500 foot rocky cliff near a sea lion colony at Calate Morro Sana, which is 65 km west of Tacna. Went as far up the coast as a sheep hut at a cave occupied by a guano caretaker who had an ancient gun and about 15 pairs of cordovan feet. A dark lively small lizard lived right at the edge of the surf. Made camp about 200 ft above the rocky