16 THE CONDOR

Vol. XVI tree. All I had expected was a blur, but I was well pleased with the results upon development. The mother bird grew very anxious about her eggs and kept my head cool with the rush of her wings. [ left the tripod lashed to the tree a short distance above the nest, but it was some time before she would finally settle down on the eggs. Not knowing when incubation started I realized it would take numerous trips to keep watch of the eggs. The nest was vi.sited again on June 23. The male bird was away, and I was beginning to think something had happened to Fig. 10. NeST o1 8I-IARP-SHIIIID HAWK SlTUATID 34 FIlleT FROM GROUND IBI DOUGLAS FIR him. The felnale was flushed as before, but there had been no change in the eggs and there were no signs of food at the nest. My next visit was on the 29th. This time the male bird was near the nesting tree and greeted me with the usual scolding. The female left the nest as soon as I commenced climbing, and returned to the eggs as soon as I returned to the ground. No. change was noted in the eggs. My next visit wa ou the mornhg of July 2. Vrhile approaching the nesting site ] observed the male bird returning with a small bird in his claws and followed by a number of indignant swallows. The hawk seemed to resent the attacks of