THE CAUSE AND THE CAUSER. 39 venient. An advantage to the moth they can never be, except that, by assisting to perpetuate the race of orchids, he is assisting to perpetuate the supply of food for himself and future genera- tions. But such a calculation as this implies foresight, not race-experience ; and I doubt if Bumble minor himself attributes foresight to the moths of his acquaintance. “Then as to the flower: it is not an agent at all. Whether it lets down the foreign body on the in- sect or not, depends upon whether the insect hits it sufficiently or not. It has no choice in the matter. But supposing it had, and could let the foreign body down at will, what amount of race- experience can teach it that it is for its advantage to do so? To know this the flower also must be gifted with foresight, and a race-experience besides its own, for it must anticipate what the insect is likely to do. And will even Bumble minor assert this of any flower ? “This is not all, however. There is one part of the process which our friend the professor has just communicated to me which introduces a quite