E.L. Karlstun 1951 Hyla regilla (5) May 13 Pottle Meadow, 7750 ft., Yosemite Natl. Park, Merced Co., Calif. Hyla chorusing here at 8:00 P.M. (D.S.T.) No signs of eggs yet. One pair in completeus. -> let go of & when I observed. Hyla population not greater now than 2-3 calling or 1/2 per pond. The pools are average 8 feet diameter. Some pottles are up to 3' depth along main stream course. Water temp. pools, 6.5° C. air temp. 1" above ground (open grass) 7.3° C. One Rana boylii adult & also taken. Patches of snow to foot depth scattered over meadow. Deeper looks to W under the lodgepole pines. Small wild composites to 3". Snow probably off this meadow for week or less.