I have already made it clear, I think, that the Selenites I saw resembled man in maintaining the erect attitude, and in having four limbs, and I have compared the general appearance of their heads and the jointing of their limbs to that of insects.
1900 December – 1901 August, H[erbert] G[eorge] Wells, “chapter 24”, in The First Men in the Moon, London: George Newnes, […], published 1901