Page:Darwin - The various contrivances by which orchids are fertilized by insects (1877).djvu/245

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Chap. VII.
VANDEÆ.
225

pared with the great vertebrate class of Fish, or still more appropriately with tropical Homopterous insects, which appear to us as if they had been modelled in the wildest caprice, but this no doubt is due to our ignorance of their requirements and conditions of life.