Nordinson 1950 Journal Aug. 26 Lower Covington Flat, 5000 ft., Riverside Co., Caly. distance up canyon to water hole mentioned in previous days notes. With a shovel I deepened the bottom a few inches and removed a great deal of sliding sand to create a much broader crater with about a gallon of water in the bottom. Watched from vantage point near hole for some time, then set steel trap at edge of crater and left. Returned to camp and prepared specimens much of remainder of day. Checked snake trap upon return to camp; found one Sceloporus occidentalis and one Uta stansburiana in trap. At about 3:30 P.M., checked trap again found another Uta; went on and checked *tunnel in second wash S. of camp*. Found no bats. Temp. at 8:30 P.M. = 20.6°C in camp, tunnel at 9:00 P.M. = 23°C, Aug. 27 Temp. at 4:45 A.M. = 13.4°C.; at 5:45 A.M. = 15.6°C. Left camp at 5:30 A.M. At 6:20 A.M. reached crest of ridge separating Upper from Lower Covington Flats. Here the dominant vegetation is manganita- scrub oak - pinon pine. Shade temp. at *Covington Springs*