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 220 THt CONDOR. Vol. XVII hurried to get in sight of them again and saw them streaking it out, running like a pair of wild turkeys, until seeing him when they took wing. The next pair of birds was located by Durand and Barton near Stuart Lake, a small artificial reservoir in a ca5on at the head of a fork of Fall River (alti- tude 11,400 feet), on rough rocky ground. This pair we had seen in the same place before. The following are extracts from Barton's notes: "Located birds about 2 P. . near patch of bushes, and I sat down near by; they paid no attention; would sit down awhile and then feed, scratching about roots, grass and plants. Hen paid little attention, but cock, generally between me and hen, always on lookout and occasionally flew short distance, soon returning; both birds would at times lie down in puddles of snow water and pant with heat, while I was cold. About dusk (8 o'clock) they were more restless. At daylight next morn- ing they were where I left them at dusk the night previous. Started feeding about 9 o'clock and would feed up to within a few feet of where I lay on rock. While eating lunch, and at other times when lying down, threw scraps of bread to them, which they would pick up and eat, at times within a few feel o my 'eet. At times cock would reply to tails of ' ' " ':'  another cock on hillsade; at otier t.mes would not answer. Was with them until I had to start for camp, about 4 P. r., during which time, since located at noon of day previous, they had moved in radius of only a hundred or two feet." A third pair of birds was located by Durand about 2:30 o'clock on a small knoll a short distance up the cafon above Barton, and I quote from Durand's notes regarding the same: "After locating birds, having left my blankets and outfit With Olson, I went back a mile and a half and got them, returning at about 3:30 o'clock. Found the birds just where I left them. Although I was chilly, the birds were sitting about panting, occasionally crawling or slowly moving about. Toward ev.ening birds began feeding. I had to build a fire to keep warm. About '7:45 o'clock (nearly dark) they seemed more restless and suddenly started to run (didn't believe it possible they could run so fast) up steep bank of snow, to wall of rocks where they disappeared. Next morning they were back to foot of snow bank. Watched them until 4 o'clock P. .; be- haved same as day befor. ..]No nest." On .re.turning to camp we visited the nest discovered Monday with-two eggs in it, and it now contained four; we also visited the nest found on Wednes- day and it now contained seven eggs; both birds being on the nests, they were raised by hand sufficiently for the purpose of inspection and then left 'undis- turbed. The following day, Friday, we did not visit the ptarmigan ground, but went to an opposite ridge at a lower altitude in search of Kinglet, Hermit Thrush and other nests located, in course of construction or with incomplete clutches, about a week previous, and of such other specimens as we might find. The next day, Saturday, we repaired again to the ptarmigan ground, first visiting the site of the nest left with the seven eggs in it, only to find the bird and eggs gone. I at first. charged it up to either a fox or weasel, but upon second thought had to abandon that idea, there being about the nest no signs of broken eggs, nor parts of egg shells, nor any feathers indicating that the bird had been eaten or in a struggle. A further examination disclosed the tracks of two men, who had come up the glacier the day previous, leaving the same at an angle head- ing directly for the nest, which was not over thirty feet distant from the edge of