Marshall, 1938 23. Otus flammeolus Whitakers, contin.,August 6 for 15 min. in usual fashion.(Alternating singl- successions of single hoots with successions of same preceded by triple note.) Moved twice - ended up in high yellow pine where remained concealed and in upper pt. tree. During course of its calling, another male was heard several hundred yd. S and once a sharp whine was heard high in nearby pine which I took to be the call of the female.This whine was the usual 3[illegible] steps higher in pitch than the male call, was longer, and ininflected downward. None of the owls were seen. At least, however, they are still callinfg, although not as much as earlier in season. Why is this group of owls calling, where- as those at the NW corner of the property are altogether silent? Which group is representim of the entire population? They should now be observed in all the terr. in order to get an average estimate of theis seasonal phase of thei behavior. August 8 No Otus called up in terr. at NW corner at dusk. August 9 Dusk - at NW corner Whitakers. Couldn't call up Otus,.However, did hear Strix calling several hundred yd. to S* , probably within its terr. on the S side Eshom Cr. I gave imita- tions of Strix for quite a while and soon a slight moan was heard from a yellow pine close at hand.Was high ?(3[illegible] steps above normal pitch for male call) , very slight in intensity,and had double inflection : Up, then down again. Was of longer duration than usual stacatt?@ call of male. Was obviously an alarm note because if was given only imidiately after one of my Strix hoots, and was invariably uttered sooner or later after each hoot. Given only singley, not in regular intervals, . Also could be the usual call of female. Only collection