Mymel Leong 1969 journal 102 10 mi. WNW Santiago de Aco, B3587, Dept. La Libertad, Peru Aug. 31 (cont.) up is polluted by the mining going on. After we left our campsite this morning we got pretty quickly to the grassy ichu zone. It is fairly heavily grazed. I set up a mist net nearby camp. 9:00 PM Dr. Koford checked four of his traps and had an akodon boliviensis in one set under a small rock shelf with small ferns growing in it. I hear the clicking frog again. No sound of bats or insects up here. Today Dr. Koford shot a kind of plover and a snipe up in this kind of ichu. Sept. 1 Nothing in my mist net. I checked my traps and caught 2 Phyllotis pictus (perhaps one is not a pictus, but something else). The definite pictus (MAL 372) was caught in a square hole about 4"x5" that ran alongside the creek. The other "pictus", a smaller animal but with a longer tail than the larger mouse, was caught in a snap trap placed in a small cave, about 21/2' x 3', that had viscacha droppings in it. About 4 feet from this cave was a smaller cave that smelled strongly of animal. It was at the entrance of this where I set my small steel trap, tied onto a 5 lb. rock. This morning the whole set, rock and all, was gone! The smell was stronger, and probably that of the hog-nosed skunk. Darn, I've learned my lesson and will secure my drop traps better in the future. Dr. Koford had an