James Rennell, Map of Hindoostan, 1782
In 1733, Jonathan Swift wrote:
So geographers in Afric-maps
With Savage-Pictures fill their Gaps;
And o’er uninhabitable Downs
Place elephants for want of Towns.
He didn’t know it, but Swift was writing at the very end of the age of “Savage-Pictures” on maps. By the 18th century, more ambitious exploration and new cartographic innovations (like trigonometric surveying) meant that the blank spaces on maps were vanishing, and with them the need for strange creatures to fill them with. This tidy map of British India is full of dense, accurate detail, and the still-blank spots are left undecorated by exotic beasts, a concession to a new Age of Enlightenment in Europe.
James Rennell, who produced this map, famously called the blank spots on maps “eyesores,” and so the writing was on the wall: No terra would remain incognita for long. The age of sea serpents and other marvelous beasts on maps was over.