Domestic cats - Oeuvres complètes de Buffon (1830) originally published in the 18th century. Buffon's Quadrupeds. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.
“I have drawn things since I was 6. All that I made before the age of 70 is not worth counting. At 75 I began to understand the true construction of nature. At 90 I will enter into the secret of things. At 110, everything--every dot, every dash--will live” - KATSUSHIKA Hokusai (1760-1849), Japan