ELKordstine 1956 June 30 Upper Blue Lake, 8100 ft., Alpine Co., Calif. NE side of lake, 1/2 nd distance of lake from upper (NW) end. Two toads jumped in lake from edge as I approached along road. Basking adult O> 23.4°C. on wet soil full sunlight. Air temp 1" above substrate 18.8° C. Substrate 25.8° C. Buller giant under soil. Water 1" below surface 16.0°C. Where toad jumped, snow along nearly entire border of lake but patchy on this exposed side. Margin of lake still frozen in places. Westerly winds now have piled up ice at lee side of lake. Heavy melt and earth slides have torn out wood many places NE side of lake. Heavy stream and surface run-off slope below The Needle and willows, give over NW end lake. Poi in angulus under trough 6' x 6" half buried in bog. Closest of O> 16°C. Air temp (buller strided) 1" above wet grass 17.8° C. 4:25 P.M. Trotter ad. O> 6" from poi'. 30 feet from edge lake. Temp edge of lake 14.5° adjacent to small (12'x15' x 6') snow patcher. Temp 1" below surface 6' out in water 6" deep (possible breeding site with sedges) 18.4° C. Two adult molde found in water at lake edge. Another log 16 x 8" ten feet from one just described. Adult O> B. carinus with 3 O> larve are unattached & loose (gravid) First known proven case of sympastiy for two species. How symastic con you get ?! Air ad water temp same as