By some strange and sinister fatality the chosen victims at present are the most intelligent and friendly of our domestic favourites—the cats who purr in love and confidence as they sit beside us on the hearth; the dogs whose faithful hearts glow with an affection for us, truer and fonder than we may easily find in any human breast.

Ch. I: The Moral Aspects of Vivisection, p. 15 - The Modern Rack (1889)