F.L. Karlton 1954 Rana boylii (2) May 14 1/2 mi. SE Cure Flat Ranger Station, 6700 ft., Yosemite Nat'l Park, Tuolumne Co., Calif. 40' day, average depth 4". Small stream issues from culvert under road 20 yards to the NE and then spreads out to form foreground pool. Loose silty bottom. The egg clusters were covered with a fine layer of the silt. Water flows slowly through the pool, a stick on the surface moving 1 yard in about 15 seconds. Meadow here about 40 x 150 yards, lined with lodgepole pine stands, open meadow free of snow but edges under trees had patches to a foot in depth. Water temp. in pool where eggs found, 1" below surface 2' from edge, 15.8°C.; 12:25 P.M. (D.S.). Air temp., bulbs shielded, 1" above dense grass at pool's edge 19.2°C. Moderate breeze, sunny afternoon. One adult frog seen in bottom of the pool but it concealed itself in the silt and I didn't get the legger. No other animals or eggs seen. May 27 Kaiser Peaks meadows, 8000 ft., Fresno Co., Calif. Adult at lower end of meadow. Egg clusters numerous. To neural tube stage. Slow moving deep rivulets favored for egg deposition. Water temp. 25°C. 2" below surface in wide place in pool 16" deep. 3 adults here, one caught. 7 egg clusters over 10' of rivulet, air temp. 1" above dense grass 17°C. at 3:35 P.M. May 28 Bottle mdwr, 7000 ft., Y.N.P., Mariposa Co., Calif. 9:10 P.M. Adult ?; drocal 13.5, water 14.0.; air 10.2°C. No eggs seen.