Hardly had the wireless stations finished taking these startling stories from midocean before there began to arrive equally strange reports from other quarters of the globe.

Someone discovered that the sea level had risen almost six feet at New York. The Sahara Desert had sunk to an unknown depth, and the sea was rushing in, ripping vast channels through the heart of Morocco, Tripoli and Egypt, obliterating cities and completely changing the whole face of the earth.

Within a few hours the high water in New York harbor receded about a foot. Mount Chimborazo, the majestic peak of more than 20,000 feet altitude in the Ecuadorean Andes, began to fall down and spread out over the surrounding country. Then the mountains bordering the Panama Canal started to collapse for many miles, completely blocking that famous waterway.

In Europe the Danube River ceased to flow in its accustomed direction and began, near its junction with the Save, to pour its waters back past Budapest and Vienna, turning the plains of western Austria into a series of spreading lakes.

The world awoke that summer morning to face a more desperate situation than ever had confronted mankind during all the centuries of recorded history.

And still no plausible explanation of the trouble—except the Martian theory of Professor Howard Whiteman—was forthcoming.

Men were dazed, astounded. A feeling of dread and terror began to settle upon the public.

At this juncture, realizing the need of some sort of action, the President of the United States urged all the other civilized nations to send representatives to an international scientific congress in Washington, which should endeavor to determine the origin of the terrestrial disturbances and, if possible, suggest relief.

As speedily as airplanes could bring them, an imposing assemblage of the world’s leading scientists gathered in Washington.

Because of his international reputation and the fact that the congress held its sessions at the United States naval observatory of which he was chief, Professor Whiteman was chosen president of the body.