Mural Long 1969 journal 73 3mi. NW Mosque, 100 ft., Dept. Lambayeque. Few found that many were made by insects & other invertebrates, such as scorpions, beetles, & spiders. By following tracks on the soft sand of these dunes we found 2 geckos, a very small one (MAL 289) was found on the soft, slanted part of the dune, and a large one on the hard rounded side. On the way back to camp I noticed a gecko (MAL 290) running along the rocky sand. I heard the high-pitched sound of a bat. August 15 7:00a.m. Checked my traps and found 1 Mus. There were few track near a few of my traps. Ray caught 2 Mus. Apparently they are not very abundant here, although more would probably be caught were the traps to be left out several nights. My Mus: & 7.3g., no embryos - immature 8:00a.m. I have walked about a mile south of our camp, to hummocks covered with Capparis in order to get some behavioral notes on lizards. It is depite, overcast + breezy this morning, probably about 60°. I haven't seen any lizards yet. I have seen hummingbirds, however. They are very active and it it difficult to get a close look at them. They seem to fly in little flocks of 4 or 5, or sometimes singly. They make high-pitched, squeaky clicking noises. I also saw the pale desert form of Heretta. The hummers make a clicking noises as they fly, also. The Heretta fly low to the ground. 8:45a.m. I got a closer look at the hummingbird, a perhaps & it is a different kind. There are small