E.L. Kardatum 1954 Bufo canorus (10) May 13 Perogoy Mdw, 7300 ft., Yosemite Natl. Park, Mariposa Co., Calif. What sounded like a canorus (croak-like) or. Call sounds like a speeded-up Bufo boreas series of notes, a medium pitched series of whistled notes lasting about 6-8 seconds. Several minutes would elapse between calls. I walked northward nearly to the end of the meadow north of the road and after the animal was silent about 10 minutes the call came again from behind me. Careful stalking of the calls finally brought me to within 10 yards of him. He called about every 4 min as I stood quietly zeroing in on its position. Adult or in open grassy area 30 yards E of pine stand, about 70 yards N of road and 20 yards W of main stream. Surface water 2" deep here, level, open grassy area. Scattered puddles of water broken up by grass clumps and slightly higher ground. The grounds thoroughly saturated in area. The animal's reaction to my hedlenge from was to try to crawl beneath short grass. Obscrd temp 10.40 C; 9:10 P.M. (D.S.) Water in which animal [illegible] immersed 10.7° C. Air 1" above ground over long grass 3.9° C. Brownish coloration of toad's dorsum blended well with matted dead brown grasses. This was only animal (canorus) heard or seen over entire meadow N of road. A check 200 yards S of road also made but no other toads heard or seen. Very few Hyla calling. Sound of feeding birds on meadow—dicking of jaws.