M. Koford 1957 Vicugna June 9 8 mi. SSW Limbani, 15000', Qpto. Puno More nuzzling and neck rubbing followed, with another attempt at mounting (by the same one?) Once both reared onto their hind legs. Finally they began grazing and I lost them in the group. Now I looked over the whole group. I counted 22 - no young. One pair was still running. They ran for 10 minutes while I watched, always the same one chasing. Usually ears were back and tails down but sometimes one or the other picked up the ears and once the pursuing one raised its tail. They were always close together and the pursuing one kept trying to thrust its nose between the legs of the other. They ran among the grazing group most of which ignored them. Occasionally one ran a few steps toward them. Finally they stopped and began grazing among the group. I kept track of them for 15 minutes and saw no more activity. By now all were grazing except for 5 lying down, and all had moved down near the lowest pond. Suddenly all got up and moved together a little up the hill. There were