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[[circled]] 16 [[/circled]] [[circled]] 16 [[/circled]] Ceph., June 12, 1971, II. ly or directed toward me or toward other members of the school. Then see a "sub-group" of 6 more large about 20 ft away. Follow 2 pairs swimming on parallel course. All inds. swim normally most of the time. Then there are a few bursts of swimming with exaggerated fin waving ("Flutter"). Then one individual turns light, iridescent ("Pastel") along one [[underlined]] longitudinal half [[/underlined]] of body! Comme ça: [[image - drawing of 4 squid; 3 are all dark and 1 is half dark, half light]] The "eye ridge" of the Pastel side of the body is very conspicuously silvery iridescent. This display lasts for only a few seconds. Then the 2 pairs gradually diverge. A barracuda appears and everything darts away. See what must be largely same group same area approximately 15 mins. later But now it includes at least [[underlined]] 36 inds. [[/underlined]]! At least 6 smalls as well as the mediums and large inds. General organization more or less as before. Smalls