Page:A voyage round the world, in His Britannic Majesty's sloop, Resolution, commanded by Capt. James Cook, during the years 1772, 3, 4, and 5 (IA b30413849 0001).pdf/57

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We found a few insects here, and might perhaps have collected more, if our stay had been of longer duration; those we met with were of known sorts, and in no great variety. On this occasion I shall mention a general remark, which ought to be applied to all the islands we have touched at during the course of our voyage. Quadrupeds, amphibious reptiles, and insects, are not numerous in islands, at some distance from a continent, and the first are not to be met with at all, unless they were formerly transported thither by men. Fishes and birds, which are able to pass through water or air, are more frequent, and in greater variety. Continents, on the other hand, are rich in the above-mentioned classes of animals, as well as in those of birds and fishes, which are more universal. Africa, which we visited during this voyage, in a few weeks supplied us with a great variety of quadrupeds, reptiles, and insects, whilst all the other lands where we touched, afforded no new discoveries in those classes.