E.M.Brock 1 1958 Longspurs June 4 Barrow, Alaska Today was the first day of observation of the tundra since my arrival at Barrow yesterday. The longspurs along with the snow buntings and dunlins are [illegible] the only common birds seen on a trip to the ice well. Two glamorous gulls and two prairie teagles were also noted. June 10 Wainwright, Alaska Two longspur nests were discovered today while walking about on the tundra. One nest contained 6 eggs, the other four. Testes measurements were taken of three male longspurs caught in snap traps - The measurements were 10 mm, 10 mm and 11 mm for the three birds. June 11 One male longspur caught in snap traps today. Testes measurement was 11 mm. June 12 Two female longspurs caught in snap traps in morning check. One had a large brood patch and [illegible] what appeared to be 3 ruptured follicles. The largest follicle was 7 mm. The other female did not have any apparent ruptured follicles and the largest follicles present was 2 mm. Testes measured on longspur taken in evening check of lines; testes measure 10 mm.