Again, the differences between the Mongolians and the Xanthochroi are out of all proportion greater than those between the Faunae and florae of Central and Eastern Asia.
"Critiques and Addresses"
Thomas Henry Huxley
I quote the following references from the Tentamen florae Abyssinicae, vol.
"First Footsteps in East Africa or, an Exploration of Harar"
Richard F. Burton
Again, note as bearing upon the same point, the singular likeness which obtains between the successive Faunae and florae, whose remains are preserved on the rocks: you never find any great and enormous difference between the immediately successive Faunae and florae, unless you have reason to believe there has also been a great lapse of time or a great change of conditions.
"A Critical Examination Of The Position Of Mr. Darwin's Work, "On The Origin Of Species," In Relation To The Complete Theory Of The Causes Of The Phenomena Of Organic Nature Lecture VI. (of VI.), Lectures To Working Men, at the Museum of Practical Geology,"
Thomas H. Huxley