Darwin, Charles, 1809-1882. The origin of species : by means of natural selection / Charles Darwin - London : John Murray, 1872. - 476 pages : facsim. ; 18 cm. - Penguin classics. . Published in Penguin books 1968. Reprinted in Penguin English Library 1982--t.p. verso. Bibliography: p. 461-[462]. Subjects--Topical Terms: Evolution (Biology)Natural selection. LC Class. No.: QH 365 / .O2 1972