Cassell's Natural History, Vol…
“ Here a few of the youth linger behind to pick the berries off some tree, but not for long, for the rear-guard coming up forces them to regain their places. Then a matron pauses for a moment to suckle her offspring, and not to lose time dresses its hair whilst it is taking its meal. Another younger lady, probably excited by jealousy, or by some sneering look or word, pulls an ugly mouth at her neighbour, and then, uttering a shrill squeal highly expressive of rage, vindictively snatches at her rival’s leg or tail with her hand, and gives her, perhaps, a sharp bite in the hind-quarters. ”
