[by] Charles Darwin and Alfred Russel Wallace ;With a foreword by Sir Gavin de Beer
author
1809-1882.
Evolution by natural selection
Cambridge
At the univeristy press
1958
viii, 287 p.
مرجع به حساب نمي آيد
Includes bibliographical footnotes and index
Introduction to the Sketch of 1842 and the Essay of 1844, by F. Darwin (1909)--Sketch of 1842, by C. Darwin.--Essay of 1844, by C. Darwin.--On the tendency of species to form varieties; and on the perpetuation of varieties and species by natural means of selection, by C. Darwin and A. Wallace.