Miguel Leon 1969 Journal 21 July 6 Papa Leon Irece, 150+ ft., Depto. Leiva, Peru 6:00am We went to the beach to check our traps. I had 18 snap traps out. At the edge of the Distichlis , 3 of any traps had Mus in them and the 4th had been snapped. I caught 2 other Mus by the sand dunes and pile of waste harvest. In Dr. Pearson's 30 small Sherman he caught 16 Mus. Mrs. Pearson had 17 shemans out & caught 4 Mus. Ray's 40 snap traps caught 3 mice in a row in the same habitat : a Mus, a Phyllotis deminus, and 2i Cryzomys (large ones). Last night we went out to the beach to look for crabs. They are about 3in. across the shell and dig conspicuous holes in the sand. They run about as fast as I walk, but they go sideways. They have eyes that fold down. First they run away, but if pursued and shove on, they dig into the sand. This is done by the feet and then a movement of the body. I found a large jellyfish with a congregation of crabs around it. They all left, except for one, which pulled off piece of the jellyfish and ate them. This afternoon Ray put up his Cryomys, Dr. Pearson put up a Mus, and I put up 2 mus and did chromosomes + skins of 2 others (130, 131). 5:30pm. Carol Ray+ 2 set traps south of