Marshall, 1939 Otus flammeolus Yosemite, July 20, 1939. Farther on however, a ? was called up. He answered from a huge tree about [illegible] yds. away. I walked over there & got him to follow me back to the trail. Then he followed down trail into terr. of next (+ last) #1 (#8). Both called normally. Now getting light. The two began apparently to forage - called less, and for shorter periods, & moved around much. 2nd ? seen once to give in insect- capturing flight - out from middle of tall fir. Both flying rapidly about in tops of [illegible] trees. Only half-way down trail when dawn arrived & just barely getting into what now seems to be the true habitat, namely, open forest of tall red firs & Jeffrey pines - sloping grd, not a deep canyon. At dawn we were The two owls continued to call & fly around until fairly light. We were about