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Contributed by American Museum of Natural History.
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Transcription
78.
rosette crown were observed at later dates). After several
bows (or bobs) and calls one I presumed the ♂ (later proved
♀) approached and murmured and was answered almost immedi-
ately and constantly by murmurs from the other. The ♂ then
appeared to mouth the ♀ all the way down its body to its
leg then lifted the foot a short way off the branch when
the ♀ let out a hoarse low shriek and appeared to softly
peck the other, ♂, (actkally ♀) whereupon both went off in
cachinnation calls and ended up with "Ko-Kot" repeated
rapidly several times in unison or irregularly. The ♂
(later ♀) then flew a short distance (five feet) and appeared
to encourage the ♀ to chase it, a game then commenced of
chasing each other in short flights for 3 or 4 minutes (keep-
ing in and about the same spot) murmurs and occasional calls
being given. They then fell to feeding again on vine berries
exclusively till an attempt to line them up for shooting
resulted in only one being killed. Though another hour was
spent trying to get the mate which had returned within 10
minutes and called repeatedly the bird was thoroughly alarmed
and on the qui vive and did not even allow a single glimpse
of itself to be caust, though it would occasionally answer
mimic calls but would not come nearer.
The above observations were the first really success-
ful notes made and further much long observation did not reveal
much more of its habits except the true bowing and showing
the rosette on the crown habit as regards feeding and playing
behaviour though the knowledge tained this day (the first on
which Aplonis and Pachycephala mock calls were made to cover
small movement noises) enabled observer from then on to ap-