Gymnogyps californianus February 13 1946 Hopper Canyon, Calif. also near the entrance - anyone skirting the cliff dose would be suspicious. A few old cardor feathers outside too. No cardors seemed interested in my presence though a pair of duck hawks "chod" loudly & dove near me repeatedly. The cave foces toward Pyramid 10 x Hopper mtn. & Russell Cliffs, almost directly over (150' above top) the dead Ps. in lower part of Carda Canyon. Entrance large & irregular - shaped about , Max- imum width about 12' & height 10'. From entrance the cave slopes up at about a 20° angle to a flat floor in the rear. This flat - where egg was I believe - comes to a point at the rear & the plan view appears about this: The floor was covered with 2-4" of fine dust, liberally strewn with down, scoms & hazel(?) nuts, rock fragments, & occasional bones. The ceiling of this flat the part averaged about 2' - 20" about min- umum. The rear 6x4' triangle seemed by far the most used - the bones were found in the trough all the way down to cave mouth. There was no evidence of cardors having visited the cave this year. Clement (dark) was up to