EL Karlstam 1955 Bufo corus June 7 Kaiser Park Meadows, 7000 ft., Fresno Co., Cal. 10:10 A.M. Male bird calling from NW loose of the slope up to Kaiser Berke. Clear, warm, still day. Clear of ore or in amphidus female 24.2° C. at 10:15 A.M. F ovipositing, many eggs laid (1/2 complement) sedge water collected over almost entire meadow, flowing in sheets 20 yards away. Still water line 2 1/2" deep dark brown silty bottom. Eggs covered with silt. A third adult → found 6" from mating pair. Water temp. 23.8° C. 1" below surface. Eggs spread over area 25 x 10" predominantly in strings. Difficult to trace out long strings but one 2' of unbroken string followed out. Sample taken. F S-U length 68 mm. →/2 or in dark brown color plate. They with silty background very clear and their calling came abruptly as we approached 20-30 yards from them. Triangulation with Drew bird only partly effective due to the ventriloquist nature of calls. Air temp. 19.5° C. at 10:50 A.M. One high cumulus cloud. #22 Kodachrome taken from N where fork taken F9 at 1/5th 11:15 A.M. Both of eggs while appear to be a full dutch found by bird. 5 x 20" string out but concentrated "aggregation" end. Eggs in water 2" deep at edge of brook 5-6' wide slowly flowing seepage stream while for max. depth of 4-5". Temp. 25.8° C. of water air now 22° C. Birds absent. All eggs collected for counting. No adults around them. Stage of dev: unclear.