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[[underscore]]Ateles[[/underscore]] ssp, October 29, 1960, XIII. [[circled]]46[[/circled]]

arrivals. As the Blacks also NYB and MO to me, it seems obvious that these two patterns are the usual "greeting" patterns of the species.

This evening, around 5:00 p.m., I watched the Blacks going to sleep. All sprawled out, close together. One of the adult [[female symbol]]'s spent some time grooming or currying the adult [[male symbol]], using her hands for this process. Quite silent throughout. 

For comparison with the list of the displays of adult Blacks shown on p.42, it may be useful to list the displays definitely known to be performed by adult Reds:

[[left column]]1. Jud
2. Mo
3. BT
4. PL
5. OCB
6. Lsh
7. Set
8. Squ
9. S Trill
10. "Ord B"
11. MLB [[/left column]]

[[right column]]Apparently produced by same motivation as corresponding patterns of adult Blacks

(I have not yet heard adults of this species utter L Trills, Agg. B, Roars, or Screams Probably because I have not seen them engaged in high intensity disputes.)[[/right column]]

I forgot to add, in my notes above, that early today I heard one of the adult [[female symbol]] Blacks scream briefly, without L Trill, when the [[male symbol]] careened into her and knocked her down. So independent screams do seem to be an adult pattern of the Blacks at least