Once I did what for me was a most unusual thing. I woke in the middle of the night without apparent reason. The moonlight was pouring in a white flood through the bamboos, and the jungle was breathless and silent. Through my window I could see Jennie, our pet monkey, lying aloft, asleep on her little verandah, head cushioned on both hands, tail curled around her dangling chain, as a spider guards her web-strands for hint of disturbing vibrations. I knew that the slightest touch on that chain would awaken her, and indeed it seemed as if the very thought of it had been enough; for she opened her eyes, sent me the highest of insect-like notes and turned over, pushing her head within the shadow of her little house. I wondered if animals, too, were, like the Malays and so many savage tribes, afraid of the moonlight—the "luna-cy" danger in those strange color-strained rays, whose power must be greater than we realize. Beyond the monkey roosted Robert, the great macaw, wide-awake, watching me with all that broadside of intensive gaze of which only a parrot is capable.

The three of us seemed to be the only living things in the world, and for a long time we—monkey, macaw, and man—listened. Then all but the man became uneasy. The monkey raised herself and listened, uncurled her tail, shifted, and listened. The macaw drew himself up, feathers close, forgot me, and listened. They, unlike me, were not merely listening—they were hearing something. Then there came, very slowly and deliberately, as if reluctant to break through the silent moonlight, a sound, low and constant, impossible to identify, but clearly audible even to my ears. For just an instant longer it held, sustained and quivering, then swiftly rose into a crashing roar—the sound of a great tree falling. I sat up and heard the whole long descent; but at the end, after the moment of silence, there was no deep boom—the sound of the mighty bole striking and rebounding from the earth itself. I wondered about this for a while; then the monkey and I went to sleep, leaving the macaw alone conscious in the moonlight, watching through the night with his great round, yellow orbs, and thinking the thoughts that macaws always think in the moonlight.

The next day the macaw and the monkey had forgotten all about the midnight sound, but I searched and found why there was no final boom. And my search ended at my beach. A bit of overhanging bank had given way and a tall tree had fallen headlong into the water, its roots sprawling helplessly in mid-air. Like rats deserting a sinking ship, a whole Noah's ark of tree-living creatures was hastening along a single cable shorewards: tree-crickets; ants laden with eggs and larvæ; mantids gesticulating as they walked, like old men who mumble to themselves; wood-roaches, some green and leaf-like, others, facsimiles of trilobites—but fleet of foot and with one goal.

What was a catastrophe for a tree and a shift of home for the tenants was good fortune for me, and I walked easily out along the trunk and branches and examined the strange parasitic growths and the homes which were being so rapidly deserted. The tide came up and covered the lower half of the prostrate tree, drowning what creatures had not made their escape and quickening the air-plants with a false rain, which in course of time would rot their very hearts.

But the first few days were only the overture of changes in this shift of conditions. Tropic vegetation is so tenacious of life that it struggles and adapts itself with all the cunning of a Japanese wrestler. We cut saplings and thrust them into mud or the crevices of rocks at low tide far from shore, to mark our channel, and before long we have buoys of foliage banners waving from the bare poles above water. We erect a tall bamboo flagpole on the bank, and before long our flag is almost hidden by the sprouting leaves, and the pulley so blocked that we have occasionally to lower and lop it.

So the fallen tree, still gripping the nutritious bank with a moiety of roots, turned slowly in its fibrous stiffness and directed its life and sap and hopes upward. During the succeeding weeks I watched trunk and branches swell and bud out new trunks, new branches, guided, controlled, by gravity, light, and warmth; and just beyond the reach of the tides, leaves sprouted, flowers opened and fruit ripened. Weeks after the last slow invertebrate plodder had made his escape shorewards, the taut liana strand was again crowded with a mass of passing life—a maze of vines and creepers, whose tendrils and suckers reached and curled and pressed onward, fighting for gangway to shore, through days and weeks, as the animal life which preceded them had made the most of seconds and minutes.

The half-circle of exposed raw bank became in its turn the center of a myriad activities. Great green kingfishers began at once to burrow; tiny emerald ones chose softer places up among the wreckage of wrenched roots; wasps came and chopped out bits for the walls and partitions of their cells; spiders hung their cobwebs between ratlines of rootlets; and hummingbirds promptly followed and plucked them from their silken nets, and then took the nets to bind their own tiny air-castles. Finally, other interests intervened, and like Jennie and Robert, I gradually forgot the tree that fell without an echo.

In the jungle no action or organism is separate, or quite apart, and this thing which came to the three of us suddenly at midnight led by devious means to another magic phase of the shore.

A little to the south along my beach is the Edge of the World. At least, it looks very much as I have always imagined that place must look, and I have never been beyond it; so that, after listening to many arguments in courts of law, and hearing the reasoning of bolsheviki, teetotalers, and pacifists, I feel that I am quite reasonable as human beings go. And best of all, it hurts no one, and annoys only a few of my scientific friends, who feel that one cannot indulge in such ideas at the wonderful hour of twilight, and yet at eight o'clock the following morning describe with impeccable accuracy the bronchial semi-rings, and the intricate mosaic of cartilage which characterizes and supports the membranis tympaniformis of Attila thamnophiloides; a dogma which halves life and its interests.

The Edge of the World has always meant a place where usual things are different; and my southern stretch of beach was that, because of roots. Whenever in digging I have come across a root and seen its living flesh, perhaps pink or rose or pale green, so far underground, I have desired to know roots better; and now I found my opportunity. I walked along the proper trail, through right and usual trees, with reasonable foliage and normal trunks, and suddenly I stepped down over the Edge. Overhead and all around there was still the foliage. It shut out the sun except for greenish, moderated spots and beams. The branches dipped low in front over the water, shutting out the sky except along the tops of the cross-river jungle. Thus a great green-roofed chamber was formed; and here, between jungle and the water-level of the world, was the Kingdom of the Roots.