Hence, if a gradual shifting of the deep sea, which at present bars migration between the easternmost of these islands and America, took place to the westward, while the American side of the sea-bottom was gradually upheaved, the palaeontologist of the future would find, over the Pacific area, exactly such a change as I am supposing to have occurred in the North-Atlantic area at the close of the Mesozoic period.

Now she and her father, the latter in failing health, visited the Isle of Wight, and saw beautiful Alum Bay, with its "high precipice, the strata upheaved perpendicularly in rainbow,like streaks of the brightest maize, violet, pink, blue, red, brown, and brilliant white,worn by the weather into fantastic fretwork, the deep blue sky above, and the glorious sea below."