E.L. Karlstrom 1954 Hyla regilla (3) April 8 It will be interesting to observe whether Bufo can breed in brownish-stained boggy pools now churned by Hyla. April 24 Steblins and I checked El Cojetin Meadow. Hyla toda present but not in numbers I saw 2 weeks before. I saw no egg clusters. Few adults calling. Pond higher dry 4-5 miles probably. some flow into the pool from culvert running beneath the road. Boot 1/2 mi. S of Saint Peter, Yosemita Valley, morjina Co., Calif. Extensive development of pools and runoff rivulets here. I was struck by the secrecy of Hyla toda, no eggs seen. Apparently breeding for yet to hit a peak at this locality. Algae not abundant in pools. Water samples taken including insect + tadpole life, Stebins and I checked this locality about 8:30 p.m. many Hyla cruising. We both noted that ov vocal even tend to be wider than long (drawing) and probably not as round then as other Hyla in Bay area. April 25 Base of Cathedral Rocks, 4100 ft., Yosemita Valley Mojina Co., Calif. Steblins and I were searching the north facing slope of the valley wall for Hydromants. Going up a boulder stream stre