„Only two suppositions seem to be open to us — Either each species of crocodile has been specially created, or it has arisen out of some pre-existing form by the operation of natural causes.
Choose your hypothesis; I have chosen mine. I can find no warranty for believing in the distinct creation of a score of successive species of crocodiles in the course of countless ages of time.“
— Thomas Henry Huxley English biologist and comparative anatomist 1825 - 1895
1860s, On a Piece of Chalk (1868)