. The continent we live on. Physical geography; Natural history. K':^^ Sand dunes may sive way under gravity, set off by minute dianges in temperature, and start "singing" This is a most frightening noise, coming as it may do altogether uiiexpectedl> m dead cahus. by day or by night, and sounding like bells gongs, agonized animal wails, distant gunfire, or an avalanchean roar. There are singing sands on the coast of New Jersey, and some that I encountered near Toms River made "boing-boing noises like those unearthly electronic musical instruments that were tried out some year
. The continent we live on. Physical geography; Natural history. K':^^ Sand dunes may sive way under gravity, set off by minute dianges in temperature, and start "singing" This is a most frightening noise, coming as it may do altogether uiiexpectedl> m dead cahus. by day or by night, and sounding like bells gongs, agonized animal wails, distant gunfire, or an avalanchean roar. There are singing sands on the coast of New Jersey, and some that I encountered near Toms River made "boing-boing noises like those unearthly electronic musical instruments that were tried out some years ago. As you walk quietly and gently .>ver them in dead silence, they respond with eerie ululations SUNKEN LANDS AND SWAMPED RIVERS The little natural country of which we now speak has a strange history. It is actually the bottom of a shallow sea that was once. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sanderson, Ivan Terence, 1911-1973. New York : Random House
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