Howell, T.R. 1949 S. v. daggetti Crowder Flat, 5200 ft., 38 mi. NNW of Alturas, Modoc Co., Calif. May 24. I heard the first saps. noise tattoos + screams, at 5:20, AM. At 5:50 I saw a dgti (=daggetti) in a juniper on the edge of an aspen grove across the flat from "nest" #4 (which is [or was] at the Ranger Station). It was silent, and flew off across the meadow. At 7:25 I reached the area of nest #3 after searching other aspens and a lot of pine woods. I heard a saps. tattoo on a big dead stub here, but did not see him. I sat down and watched nest #3. At 7:35 I noticed one bird near the hole, apparently feeding. At 7:45, a 2nd bird emerged from the hole, flew over to the first. One of them left. At 7:50 the remaining one went back into the hole. At 7:55 the other bird returned - from a different direction this time. The bird in the hole came out, they exchanged soft squawks, and the other went in. At this time I left. This exchange of places suggest in- cubation. At 10:25 I went to nest #5. One was at the hole, silent, resting and preening and scratching (they do this often). At 10:35 I heard soft squawks, and a 2nd