the ground lie his wings, too. His haste is terrible and irresistible. Over and through the grass he crawls, so fast that we can barely follow him with our eyes. He is looking for the originator of the signal which he received high up in the air. Within a few minutes he has found her. She has been motionless all the while, with her body hoisted aloft, but the instant the male touches her with his antennae, he infects her with his own excitement. She begins to run away as fast as her legs will carry her, and immediately behind her comes the male. They are now beginning the final search – they are house-hunting, and this the male leaves to his wife. It must be a good house, for they will live in if for a long time. And with the finding of their home and the digging of the front door we will leave the happy pair for a while.
There are even stranger things connected with this little drama, of which the inexperienced observer will not become aware. I spoke of the urge to flight. Listen carefully. If those two termites had not flown, none of the events we have watched would have occurred. Instinct is something which only works step by step. If you destroy one step or omit it, then the whole thing collapses. Nature wishes the “white ant” to spread. If the nests are too close together it would be bad for the communities; therefore they receive wings and must fly. But flight is only one step in their sexual life; if this step is omitted, their sexual life and their very existence ends there and then.
For as long as two years the two sexes may live in the same nest after they have grown wings. They are in constant touch with each other but there is not the least evidence of any sexual life. They must crawl out of the nest, they must fly, must settle and lose their wings, then and then only, and then immediately, sexual life begins. If you prevent them flying and break off the wings, both male and female die without any further attempt to become progenitors of the race. The length and distance of the flight is of no importance; it may last hours or only a second; it may cover miles or only an inch. But the force which we call instinct commands – you must pass through every stage, you must take every step, or you are doomed. If you take a male and female just as they are emerging from the nest and place them beside each other, even in the closest contact, you notice that they take not the least interest in each other. They struggle to get away from each other. Let the female fly a few inches and the whole process which we described is carried out to a finish. Let the male circle round even once, then force him to land near the female, then and then alone, will events take their normal course. A second in time, three inches in space, one flutter of wings, are to the termite a gulf as wide as infinity dividing two kinds of existence. To us it may appear only a small dividing line, but the insect may not overstep it, not even with human assistance.
* A beetle of the genus Psammodes.
2
Unsolved Secrets
There is much to be told about the building of the termitary, but I will confine myself to behaviour which is important for purposes of comparison. All behaviour is of importance to the psychologist. Behaviour is psychology – at least it is all of the psyche we know or can study. For purposes of comparison, for comparative psychology – especially if you begin at the top of the ladder with the apes – the field at our disposal is not very large.
Upon the king and queen themselves falls the task of feeding and attending to the first children. After the latter are full-grown they take upon themselves all the work of the community. In the meantime the queen grows larger and fatter by the hour. Her small neat body vanishes in increasing layers of fat until at last it becomes an unsightly wormlike bag of adiposity. And to heighten the tragedy, her mate, in addition to having the blessing of almost the only dolce far niente existence known to nature, appears to have discovered the secret of eternal youth. He remains as beautiful and active and young as he was on his wedding flight. But if you look at her, an immovable disgusting worm, it seems impossible to believe that she ever fluttered in the air on fairy wings. We could hardly blame his majesty if he began casting an eye at some other female a little less repellent. If you fear this, however, you will be pleasantly surprised. His attachment to his queen seems to keep pace with her own growth. If you lay open the palace cavity, he rushes round in consternation, but always returns to her side. There is no question of saving his own life in flight. He clings to her gigantic body and tries to defend it, and if the ruthless attacker so wills, he dies at her side. What a wonderful example of married love and fidelity, which can survive this terrible change of his beloved to a loathsome mass of fat!
We often speak metaphorically of a queen as the mother of her people. This the termite queen is literally. She is the only mother of the millions which form the community; every individual is born out of her. Naturally she is absolved from all duty in the nursery. All she is expected to do is to keep on laying an endless stream of eggs, because the daily loss of workers and soldiers is enormous, notwithstanding their excellent methods of defence. Mother Nature is not perturbed about the death of a thousand individuals, when she has had the foresight to make certain of an unending supply.
I am now coming to a stage when in actuality every termitary differs in its growth, but for our purpose we will suppose that the environment of our nest has been such that development is entirely normal and not subjected to any disturbing outside influences. The first workers begin to build a palace for the queen. Deep below the surface of the earth, from three to six feet, they prepare a hollow chamber. As years go by this is gradually increased in size, and the earth which is excavated is taken to the surface and used to form the thick defensive crust. In this hollow chamber the queen is placed. It fits her so well that one is inclined to think that it has been built around her. I do not think this actually happens, but now I come to a stage when almost every conclusion is bound to be mere guess-work. No human eye has ever seen what actually takes place. No one has ever discovered a way in which to watch the termites at work in the queen’s chamber, for they work in pitch darkness and to let light into the chamber is as great a handicap to the termites as the sudden destruction of the sun would be to us. We cannot see in complete darkness.
The queen continues growing until, compared with the ordinary termite, she reaches a gigantic size, and becomes an immobile mass, still as a log. The only part of her which gives any sign of life is the little head, which remains unchanged. If you dissect the skin and body carefully and examine it under a microscope, you will be convinced that during her later stages of growth the queen is unable to make any voluntary movement, except of course of the head.
You may think she could move like some worms do, by contraction and expansion. But you will find that no part of the body behind the head can be controlled by what was once an intricate central nervous system. Nor do I think that there can be any question of her regaining the power of movement temporarily, as for instance by emptying the sac for a while. I certainly have seen no indication of this. Besides, the very nerves in the body have changed into fluid. Both these theories, therefore, that the queen is able to move by contraction and expansion, or that she gains a temporary power of movement, must be discarded.
A queen termite full of eggs with two soldier termites.
To continue with the queen’s life-history, her first palace is a cell made of termite earth which rapidly becomes as hard as cement. Usually she just neatly fits into it. She is always much too huge to use the door of the cell as entrance or exit. If you wish to remove her you must break down the cell. The king and the workers, however, can come and go quite easily. She is fed and the eggs which she never ceases laying are removed to the breeding grounds by workers appointed to this task. The king apparently does nothing. He appears to be a mere hanger-on in the palace. Still the queen goes on growing. Here in her first palace she has not attained one-third of her eventual size. At last she very nearly fills all the available space in the cell. There is barely room for the tiny workers to carry the eggs away across the insensate bulk. A terrible tragedy appears to be imminent – it reminds us of the question: what will happen if an irresistible force meets an immovable mass? The human observer
