June 13, 1953, Saturday Up at 6:30 to check the trapline. I captured seven Peromyscus maniculatus in the Artemisia and Chrysothamnus and one Bottae Pocket Gopher in the meadow. The other gopher traps had not been sprung, but the soil had been pushed up around the traps from beneath, making the traps difficult to pull from the hole. One of the Peromyscus had been chewed up by something. I could not find one of the rat-mouse traps. After bringing in the specimens I spent the rest of the morning and early afternoon making skins. A Turkey Vulture and a Red-winged Blackbird were seen flying near camp in the canyon. All of the Deer Mice trapped were males: In the early evening I went up above the meadow, and into the meadow, and set out about thirty rat and mouse traps and two gopher traps. The mouse and rat traps were evenly distributed among the Pinyon and Juniper on a rocky hillside and in the meadow. I set traps along the streambank in typical Microtus habitat and also in the dense, long grass removed from the creek but in wet places. I saw a Prairie Falcon over