Howell, T.R. 1949 S. v. daggetti 24 Crowder Flat, 5200 ft., 38 mi NNW of Alturas, Modoc Co. Calif. May 28 - 2:15 P.M. Nest #3 - one of pair flushed from nearby tree as I approached. Hole about 8 ft high rather than 7- tree about 1ft in diameter. Climbéd to hole + looked in with mirror - bird on nest, would not leave withdrew about 20 yds. 2:35-other kind back-in tree 5ft away preens 2:47-flies about to trees within 15 yds. 2:48-To nest tree, 8 ft above hole. Preens. I must leave as a rainstorm is approaching. The bird flies to a tree about 10 ft away as I get up. No sound has been uttered. Chestnut-backed Bluebirds are nesting in an aspen about 10 yds away. A male Western Tanager alighted near the nesting hole while the other (non-incubating) bird was in the same tree and was ignored. As has been the case before, the Saps. will frequently perch crosswise on small branches. May 29 - 4:30 A.M.-Rain. 5:10 A.M. Still inter- mittent rains - heard saps. scream just out- side the cabin. 6:25 More screams - then steady tapping from tree where supposed nest #4 is. 7:10-more tapping - a daggetti observed at "nest"(?)#4, looking in hole and working low around the tree. 10:50 A.M. still rain-4 screams by cabin.