Marshall, 1939 Flagstaff, Ariz. Otus flammeolus had answered my notes with single hoots, then preceded by double grace note, then I had considerably lowered pitch & changed quality toward Greater type. Prepared at 1657 immediately 1st taking out contents of full stomach & saving in tissue paper. (about 1/2 hr. after coll.) At about midnight started out again in same direction as before. (June 2) [Members of Party: Dan Welles AB, VC; Oliver Bowen junior VC (geol), Frank Peabody AB UC - teaching assist in Paleo - Thanks due to Welles for camping in timber on way to Meteor Crater.] Now at 12.15 June 2, set out again toward W. Tried to call up 2nd & - he didn't answer until I was right on top of him - 150 yds. SW Camp. Started out very