You have a very large lower bowel, which metchnikoff, the Russian scientist, one of the greatest minds who ever examined the problems of health, declares a survival, the relic of a previous stage of evolution, and a source of much disease.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society"
Upton Sinclair
To the newspaper reader, however, it looked as if the names of metchnikoff and Steinmetz and Karl Pearson would soon be quite as familiar as those of Robey and Lauder and Bard.
"Eugenics and Other Evils"
G. K. Chesterton
Then you have already, at your age, evolved that 'instinct of death,' which metchnikoff, in his strange book, thinks the race will come to when men begin living rightly, and go living on to a hundred and fifty years or more, as they once did.
"Imaginary Interviews"
W. D. Howells