Consider, too, what an unequalled mental training the child-naturalist is getting for any study or calling under the sun – the powers of attention, of discrimination, of patient pursuit, growing with his growth, what will they not fit him for? Besides, life is so interesting to him, that he has no time for the faults of temper which generally have their source in ennui; there is no reason why he should be peevish or sulky or obstinate when he is always kept well amused.