E.L. Kardatum 1954 Buffo canorus (3) April 24 Peregay mdr .7300 ft., Yoz. Nell. Park, Mariposa Co. Calif. Rapidly flowing from snow bank across dead gross mat. Some water upwelling from gopher burrows. In dead gross layer 1-2" thick are already a few green grass shoots and green leaves (strawberry?). There is also a plant with leaves subovate x1 and green. Stebbins estimates snow off this area but a few days at most. In one new pool in full sun, quiet water, 1 1/2" deep at center, pool 3 ft. across, little seepage in or out, water 9.3° C., 1:30 P.M. Water of main stream, 150 ft. S of highway 0° C. at edge of snow. Water here 6"-1 ft. deep, fast flowing. Stream 8-10 ft wide, 2-6" deep, 10 ft. downstream and so in depth and width for about 100 ft to next large snow deposit. Water riffly and fast. Area in full sun. Temp of moss in sun against fully illuminated rock 13.40° C. Willows along stream with buds but not bursting yet. Willows 8" to 2 ft. high. Stream meanders is 4-5 ft. wide 10"-12" deep 60 yards from road. 6" depth 8.2° C Soil temp. at C (see map) 12" 6.5 Temp. just under soil surface 18" 5.5 16.5° C. at 2:15 P.M. 24" 5.0