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17

Puerto Armuelles, July 19, 1947, VII

10:30am. Speak of the devil! part of the same group of Saimiri re-appears and passes by us. 10-40ft up in a variety of trees. Rather less rapid and more dispersed than earlier this morning. (This may be characteristic of the middle of the day.).

Apparently they don't have any squirrels with them now. 

When they first approach, several individuals utter a variety of high-pitched noises. "Seeet", "Tseeet", "Tsit", "Tsee-weet", "Tsee-ee-weet" notes. Apparently consist of typical "Tsit"s, typical "Seeet"s, intermediates between the two, and intermediates between both and Trill's. I.E. the high-pitched complex of this species seems to be almost completely intergrading. 

I was not sure that the animals were aware of our presence when they were uttering these sounds. A few seconds later, they suddenly fixated us, began SS and began to utter a few L Trills and QM's. But these were too few to include Mobbing, and, after a minute or so, the animals relaxed. We sit about their business, and shut up completely. 

This final silence indicated that the preliminary notes really were (at least in part)reactions to our presence. I.E. both "tut" and "feeeet" probably are low intensity alarm, lower intensity than L Trill's. Probably "Tsit" is higher intensity than "feeeet"???? Or "feeeet" contains a friendly component (like TW) lacking in "Tsit"?????? 

Animals gradually move off.

Leaving 11:00am.
Back same place 3:30pm. Very hot and windy