This great progress, not the less actual for being hereditary and ancient, was followed by an infinite variety of details which prove that the industry, and even the policy, of the hive have not crystallised into infrangible formulae. We have already mentioned the intelligent substitution of flour for pollen, and of an artificial cement for propolis. We have seen with what skill the bees are able to adapt to their needs the occasionally disconcerting dwellings into which they are introduced, and the surprising adroitness wherewith they turn combs of foundation-wax to good account. They display extraordinary ingenuity in their manner of handling these marvellous combs, which are so strangely useful, and yet incomplete. In point of fact, they meet man half-way. Let us imagine that we had for centuries past been erecting cities, not with stones, bricks, and lime, but with some pliable substance painfully secreted by special organs of our body. One day an all-powerful being places us in the midst of a fabulous city. We recognise that it is made of a substance similar to the one that we secrete, but, as regards the rest, it is a dream, whereof what is logical is so distorted, so reduced, and as it were concentrated, as to be more disconcerting almost than had it been incoherent. Our habitual plan is there; in fact, we find everything that we had expected; but all has been put together by some antecedent force that would seem to have crushed it, arrested it in the mould, and to have hindered its completion. The houses whose height must attain some four or five yards are the merest protuberances, that our two hands can cover. Thousands of walls are indicated by signs that hint at once of their plan and material. Elsewhere there are marked deviations, which must be corrected; gaps to be filled and harmoniously joined to the rest, vast surfaces that are unstable and will need support. The enterprise is hopeful, but full of hardship and danger. It would seem to have been conceived by some sovereign intelligence, that was able to divine most of our desires, but has executed them clumsily, being hampered by its very vastness. We must disentangle, therefore, what now is obscure, we must develop the least intentions of the supernatural donor; we must build in a few days what would ordinarily take us years; we must renounce organic habits, and fundamentally alter our methods of labour. It is certain that all the attention man could devote would not be excessive for the solution of the problems that would arise, or for the turning to fullest account the help thus offered by a magnificent providence. Yet that is, more or less, what the bees are doing in our modern hives.*