Gymnogyps californianus March 21, 1946 Hopper Canyon, Cal. again balance. We had a small warning fire in the cave - visible to perched adult Condors. No crop afterwards visible in perched bird tho possi- bly some sludge. Still perched at 12:30 - one adult stretched left wing down & back. We left Cave Point about 12:40 to avoid keeping adult from nest. At 12:50 we saw 6 condors total - one as above, one atop Roost Tree (this tried to alight in pathole 1/4- mile N. of Big Cave & gave 13 flaps trying to get a foot- hold, then dropped off & flew to tree) & 4 circling above Big Cave. We went up Condor Creek & visited Hills Wake's nest (arrived 1:40). Apparently no condor visitation since my last visit. Fog descended & engulf- ed us at Condor Cliff about 1:45. We returned to camp at head of Hopper Canyon - for the rest of the day there. March 22, 1946 Hopper Canyon, Cal. Clear frosty night. Drove & hiked to Pyramid Lookout arriving 8:30 a.m. (with Al Wool). Sky clear, haze in valleys, fog N. of Liebre - Cobbles mtn. line. At 8:35 saw one adult circling over Arundell Ridge. It worked over Spring Gymps Mdw., flap circling, taking 15 flaps consecutively once. & Timed 7 flaps in 3 sec- onds once. This bird worked up over Old Cabin (about 8:45) & then headed straight