Gymnogyps californianus December 28, 1947 Hopper Canyon, Ventura Co. Below Big Mdw. was gone; an adult, near the other adult here. The 2 adults 41 min. in Near Roost Trees so before, & there in Roost Tree & Saddle Ps. as before. One adult on Saddle Ps. had descended, 10 ± 4' was crouched flat, f.: 24; 3 at Near Roost Trees or before. Dark alto-cumulus coude covered area. One adult from below Big Mdw. changed to dead Ps. 1/4 ± mile further down canyon. None visible on Arundell Ridge or Roost Tree but one in pothole at Whitework Ridge. Becoming quite cold. We left for Hopper Ranch at 4:30 (Fair W. breeze). In South Canyon I saw 3 condors (at least 2 adults) perched in 2 dead Ps. well below the level of South Ridge. At Hopper Ranch, Dave Percy said he had seen 2 condors over the ridge N. of the house this morning. He said that even in summer 1 or 2 were seen almost every day. Perhaps any well located carcass does not escape detection for long in this third. December 29, 1947 Hopper Ranch, Ventura Co. About 9 a.m. the Percy children told me that they saw 2 condors perched in a sycamore about 3/4 mile SE of the house near the "sulphur water" while doing chores this morning. I hiked down the road and at 9:26 was opposite the 2 adults perched on top of a bare-topped sycamore about 250 yds. E. of the