After all, if one great lesson had been gleaned from the journey, it was the awesome abundance of life on the planet. On the massive vines of “wonderful” kelp off the coast of Tierra del Fuego, plummeting forty-five fathoms into the darkness, Darwin found patelliform shells, troche, mollusks, bivalves, and innumerable crustacea. When he shook, out came “small fish, shells, cuttle-fish, crabs of all orders, sea-eggs, star-fish, beautiful holuthuriae, planariae, and crawling nereidous animals of a multitude of forms.” The “great entangled roots” reminded Darwin of tropical forests, swarming with
...more

