F.L. Kadsturn 1954 Buffy breeze (47) July 8 Sentinel meadow, 4000 ft., Yosemite Valley. little or no effect on amphibians in the meadow, since spraying is well controlled and directed only against thistles. Western azalea all but through blooming here. Clear sunny sky today. Strong westerly breeze - the kind of weather hastening evaporation of Sentinel meadow water. July 18 Sentinel meadow, 4000 ft., Yosemite Valley, Calif. air max-min. 99-47° F. Present 70° soil " " 80-50° F. " 74° at 7:156.m. (D.S.) Clear, mild evening with no freeze. Pond water level down to 4" depth at stake. Float partially resting on mud pond bottom. Pool now 14 x 10' or about 1/3 of former size. Hydris toads in pond ad never seen emergent from pools here single toker. Theirs gyrch clote closed. Air thermograph would seem to be registering too low maximum temps. mosquitoes thick over meadow grasses. Vegetation about same height as before. Thistles harding up to bloom, to 3 1/2' high. Burdais blooming or is a 16" tall Coniculus-like plant with dusters of small yellow blossoms. Cow parsnip s lender of meadow over 4' toll and starting to blossom. Western azalea blossoms dried up ad brown. 6 female red-winged blackbirds seen perched on one dead azalea bush. I flushed 4 mallard hens out of the den hollow ponds at middle of meadow. Most pools ne died up but