The Perpetuation of Living Beings, Hereditary Transmission and Variation - Thomas Henry Huxley - Bog

The inquiry which we undertook, at our last meeting, into the state of our knowledge of the causes of the phenomena of organic nature, -of the past and of the present, -resolved itself into two subsidiary inquiries: the first was, whether we know anything, either historically or experimentally, of the mode of origin of living beings; the second subsidiary inquiry was, whether, granting the origin, we know anything about the perpetuation and modifications of the forms of organic being