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[[Circled]] 49 [[/circled]]
[[underlined]] Cebus capucinus [[/underlined]], Feb. 15, 1961, III 

[[lines running vertically down left margin]] 

and BB patterns!!!

Sometimes, when Osk was alone on the floor, if I approached him
very rapidly, he would flinch and/or try to run away from me.  At such
times he usually uttered a medley of loud S Trll's, AlB's and/or Screams.

If I put my hand down beside him gently, he would clasp it.  Sometimes uttering 1 or 2 BB notes just as he started to clasp.

Once I started to manhandle him very roughly. He immediately uttered a burst of Trll's and AlB's, jumbled together

Every once in a while, when Osk is clinging peacefully to my arm, especially a few minutes after settling down after some disturbance, he will utter a whole series of rapid "breathy' sounds. Definitely not Mu.  Reminiscent of Spider Monkeys?

[[underlined]] Cebus capucinus [[/underlined]], I

August 18, 1961
Barro Colorado

Unfortunately, I have been too busy to study Osk during the last 6 months.  He has been kept up in a cage by himself in the animal house all this time. Flourishing. At least half grown by now. He has not, I think, developed any new "learned" signal patterns. 

Going to observe him this morning 7:30 a.m.

When I approach his cage and look at him, he responds by crouching a little, legs folded, hands invisible under chest, tail curled around body.  Head not lowered.  But this crouch may well be an "int. mov." of Hdd.

Quite a number of movements superimposed upon this crouch

One of them is 'bouncing up and down" This may be a low intensity or an urgent form of Jud; but it is [[underlined]] not [[/underlined]] straight legged. Arms straight

Transcription Notes:
Series of lines and scribbles on left side of page. Numerous descriptions of vocalizations and a descriptor of posture unclear. Several sentences end without periods. Three black dots on page.