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But in Hylobates agilis the hair on the fore-arm is directed downwards or towards the wrist in the ordinary manner; and in H. lar it is nearly erect, with only a very slight forward inclination; so that in this latter species it is in a transitional state.
But I have only time to point out to you a few curious facts with regard to reptiles, which should be specially interesting to a Hampshire bio-geologist. You know, of course, that in Ireland there are no reptiles, save the little common lizard, Lacerta agilis, and a few frogs on the mountain-tops how they got there I cannot conceive.
Watchmakers, short-sighted. Waterhen. Waterhouse, C.O., on blind beetles; on difference of colour in the sexes of beetles. Waterhouse, G.R., on the voice of Hylobates agilis. Water-ouzel, autumn song of the. Waterton, C., on the Bell-bird; on the pairing of a Canada goose with a Bernicle gander; on hares fighting. Wattles, disadvantageous to male birds in fighting.
The American Mycetes caraya perhaps forms an exception, as does the Hylobates agilis, an ape allied to man. This gibbon has an extremely loud but musical voice. Mr. Given in W.C.L. Martin's 'General Introduction to Natural History of Mamm.
Martin, W.C.L., on alarm manifested by an orang at the sight of a turtle; on the hair in Hylobates; on a female American deer; on the voice of Hylobates agilis; on Semnopithecus nemaeus. Martin, on the beards of the inhabitants of St. Kilda. Martins deserting their young. Martins, C., on death caused by inflammation of the vermiform appendage. Mastoid processes in man and apes.
Hylobates agilis, hair on the arms of; musical voice of the; superciliary ridge of; voice of. Hylobates hoolock, sexual difference of colour in. Hylobates lar, hair on the arms of; female less hairy. Hylobates leuciscus, song of. Hylobates syndactylus, laryngeal sac of. Hylophila prasinana.
The Gibbons appear to be naturally very gentle, but there is very good evidence that they will bite severely when irritated a female 'Hylobates agilis' having so severely lacerated one man with her long canines, that he died; while she had injured others so much that, by way of precaution, these formidable teeth had been filed down; but, if threatened, she would still turn on her keeper.
The Gibbons appear to be naturally very gentle, but there is very good evidence that they will bite severely when irritated a female 'Hylobates agilis' having so severely lacerated one man with her long canines, that he died; while she had injured others so much that, by way of precaution, these formidable teeth had been filed down; but, if threatened, she would still turn on her keeper.
Whether most of the foregoing monkeys have acquired their powerful voices in order to beat their rivals and charm the females or whether the vocal organs have been strengthened and enlarged through the inherited effects of long-continued use without any particular good being thus gained I will not pretend to say; but the former view, at least in the case of the Hylobates agilis, seems the most probable.
In Hylobates syndactylus, as the name expresses, two of the toes regularly cohere; and this, as Mr. Blyth informs me, is occasionally the case with the toes of H. agilis, lar, and leuciscus. It deserves notice that the feet of the sloths, the most arboreal animals in the world, are wonderfully hook- like.
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