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have no red blood, no brains, no nostrils, no ears nor eye-lids.

It is reasonable to suppose, that with organs so different, their senses also differ materially from those of the larger animals. Some naturalists suppose that they have riot the sense of hearing; but Mr.. arbut, who is an attentive observer, is of a contrary opinion, and relates a curious anecdote in support of his theory, tic observed a large spider in St. James's Park, which had its web on one of the rails, at a cotisiderable distance from the place where a great fly was entangled. Notwithstanding the situation of the two insects was such that the spider could itot see the fly, he perceived the victim the moment he entered the snare, repaired to the spot, and disabled him from escaping; which lie attributes to the SCflSC of hearing. But, as 1 think it possible that the approach of the fly was made known to the spider by the vibration of the thread, as well as by its tones of distress, I am more convinced of the fact lay his inference, that, since it is well known that many insects have the power of uttering sounds, as the large beetle, the bee, the wasp, the gnat, and the fly, we cannot suppose that this power is given without a corresponding capacity in their fellows to understand their meaning. it s undoubtedly the language of their kind, ex

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