The great principle of mimicry, according to the address of Mr. E. B. Boulton to the irish Association for the Advancement nee, was first enunciated by Bates in 1862, and has since been confirmed and extended by numerous observers, The colours of animals are now known to have three important uses—concealment, signalling or warning, and mimicry. Examples colour for defensive coticealment are found in green fish, which would be {conspicuous away from its constant home among the leaves of the zosters, and in a brown moth which always lives among brown leaves; while concealment as a means of securing prey may be seen in a Brazilian frog, which lies partially buried in the ground which it resembles. Warning to enemies against something unpleasant is given by the conspicuous and the white tail of the rabbit is a signal appearance of certain unpalatable moths,
Text read from the printed page and cleaned; old type leaves the occasional error.