Paul DeBenedictis 1960 Dec 17 Grand Deserito east of San Luis, Son., Mex. the back of the truck at the time. We got here about 2 AM, and immediately threw down our sleeping bags on the sand. I took all the traps (2 dozen), baited them, and set them under likely looking bushes. There were many beetle prints about, but only one set of mammal tracks - a ? fox. Many vacant Burrows. This morning as the sun came up I checked the traps - nights - what a change from yesterday. The Grand Deserito is an open, flat sandy stretch level almost as far as the eye can see, sparsely covered with sagebrush, creosote, grass, and a few other plants; these spaced at 4-6 foot intervals - not barren, but empty. It was bitterly cold this night, and I almost froze my feet off - didn't sleep at all. No wind, and I retrieved my traps simply by following my footprints. Not even any beetle prints had been erased! Now to get warm. Under trash I got 3 hairy June bugs and a green-black beetle; under a creosote bush we dug (hairy Burrow + I) dug out many small green weevils. Under boards, etc around the camp we found many "June bugs" and a few black beetles. I found one under my duffle bag, and one active by the truck. Best find was 6 under one board. Elvey got two Homopterians under boards, but dug one from