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[[circled]] 18 [[/circled]]
[[circled]] 18 [[/circled]]

Ceph., June. 12, 1971, IV

for more than 1/2 hour.  For all I know, pairs are "permanent".

But there certainly is some "fluidity".  See a good example.  One ind. of a pair gets separated from its partner.  Drifts after another pair.  One ind. of the latter repells the "intruder" by rapid forward darts after P.  (No color change by the aggressor.  It retains traces of Pastel throughout.)  Then the isolated or abandoned individual transfers its attention to, drifts after, yet another pair.  Throughout this process, the abandoned ind. remains darker, in "purer" ORD, than any of the members of the 2 pairs it follows.  Eventually it is joined (re-joined) by a single large in Pale or semi-Pastel.

There are some P and attack movs. between members of one pair.  Each time, the attacked [[underlined]] shows traces of PH while retaining RL [[/underlined]]!!!

Observations interrupted temporarily.  Resume approximately 1/2 hr later.

Follow a pair (large, of course) One member of pair turns completely Pastel.  (I have not, this morning, been able to distinguish real flushes of different colors or tones in Pastels, although they may be occurring.  I presume that Pastels are sexual or closely related.  But they are low intensity on the average this morning.  Easily inhibited by even slight degree of alarm.  Inds. show this behavior only when relatively far away from me.  Alarm seems to inhibit sexual behavior more easily or frequently than it does feeding.  See below.)  The Pastel ind. darts toward its partner.  The latter leaps away with extreme RL.  The first ind. goes back