(seen first 6 ft. down gulley from nest) came back at 9:30 - and was a purple-dyed one. I set by the nest from 10 A.M on. At 10:50 A.M. the bird with purple (especially on its left side) left the nest, heading downhill more or less along the gulley. I saw her proper for more than 100 yrs. It had a crest conspicuous all the time and looked somewhat aggressive for a male - held its head high etc. At 11:30 I heard piping coming regularly from down the gulley. The bird who was piping seemed to be moving about somewhat. Piping stopped being regular about 11:50, became sporadic. I could see feathers covering the nest. About 12:10 I spied a lone female walking up-gulley, about 100 yds. below the nest. She walked to the nest; I saw it pick up the feathers covering the eggs and clicked onto the nest. This bird was also purple stained (left side especially), but looked more male like - strolling along with crest down, etc. March 7, 1952 . Report on nest #1 8-8 O.P. watched 6:20 - 8:15. Bird left nest at 7:45. AKP watched 8:15 ->. Saw purple bird come over ridge behind nest + a little down hill to the nest at 9:15. There was piping in the area from 9:10 - 9:15, and it