Lost and Gone Forever

Mastodon molar tooth

By RICHARD CONNIFF
NYT

Species die. It has become a catastrophic fact of modern life. On our present course, by E.O. Wilson’s estimate, half of all plant and animal species could be extinct by 2100 — that is, within the lifetime of a child born today. Kenya stands to lose its lions within 20 years. India is finishing off its tigers. Deforestation everywhere means that thousands of species too small or obscure to be kept on life support in a zoo simply vanish each year.

So it’s startling to discover that the very idea of extinction was unthinkable, even heresy, only a few lifetimes ago. The terrible notion that a piece of God’s creation could be swept off the face of the Earth only became a reality on January 21, 1796, and it was a body blow to Western orthodoxy. It required “not only the rejection of some of the fondest beliefs of mankind,” paleontologist George Gaylord Simpson once wrote, “but also the development of fundamentally new ways of thinking.” The science of extinction was one of the great achievements of the 18th century, he thought, a necessary preamble to Darwinian evolution, and almost as disturbing.

Specimens from the American colonies played a key part in this revolution. A tooth weighing almost five pounds, with a distinctive knobby biting surface, had turned up along the Hudson River in 1705, and quickly found its way to Lord Cornbury, the eccentric governor of New York. (Cornbury was either a pioneer in gubernatorial bad behavior or an early victim of dirty politics. He subsequently lost his job for alleged graft, amid rumors that he liked to dress up as his cousin Queen Anne.) Cornbury sent the tooth to London, where “natural philosophers” began a long debate over whether this “Incognitum,” or unknown creature, was a Biblical giant drowned in Noah’s flood or some kind of carnivorous monster. Decades later, Ben Franklin, Thomas Jefferson and George Washington puzzled over similar teeth when they turned up again in the Hudson and Ohio River valleys.

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