El Kalatun 1955 Bufo boreas May 11 is 10 x 16 yards, grassy with a maximum depth of 15-16 inches. Diving beetles seen. Otherwise aquatic life poor, no algal bloom this pond. Ditch-like ponds adjacent to N side have better algae growth. Desiguate later. May 18 Churchside Meadow. 4000 ft., Yosemite Valley. 5:25 p.m. Area marked out (see crude map) for working study. No adults seen in ponds and no sign of eggs w side of road following superficial check. An adult -> (unmarked) found buried in soft loam soil under a cottonwood slab in the middle of the vast open meadow 75 yards N x NE of pond A, and 45 yards W of single living Populus. Slab 5' x 1 1/2' x 2