| Other author/creator | Jordan, David Starr, 1851-1931. |
| Other author/creator | Thomson, J. Arthur (John Arthur), 1861-1933. |
| Other author/creator | Jennings, H. S. (Herbert Spencer), 1868-1947. |
| Other author/creator | Parker, George Howard, 1864-1955. |
| Other author/creator | MacBride, E. W. (Ernest William), 1866-1940. |
| Other author/creator | Conklin, Edwin Grant, 1863-1952. |
| Other author/creator | Scott, William Berryman, 1858-1947. |
| Other author/creator | Bather, Francis Arthur, 1863-1934. |
| Other author/creator | Gregory, J. W. (John Walter), 1864-1932. |
| Other author/creator | Woodward, Arthur Smith, 1864-1944. |
| Other author/creator | Gager, C. Stuart (Charles Stuart), 1872-1943. |
| Other author/creator | Berry, Edward Wilber, 1875-1945. |
| Other author/creator | Poulton, Edward Bagnall, Sir, 1856-1943. |
| Other author/creator | Shipley, A. E. (Arthur Everett), Sir, 1861-1927. |
| Other author/creator | Wheeler, William Morton, 1865-1937. |
| Other author/creator | Loomis, Frederic Brewster, 1873-1937 |
| Other author/creator | Watson, David Meredith Sears, 1886- |
| Other author/creator | Lull, Richard Swann, 1867-1957. |
| Other author/creator | Gregory, William K. (William King), 1876-1970. |
| Other author/creator | Holmes, Samuel J. (Samuel Jackson), 1868-1964. |
| Other author/creator | Smith, Grafton Elliot, 1871-1937. |
| Other author/creator | Huxley, Julian, 1887-1975. |
| Other author/creator | Morgan, Conway Lloyd, 1852-1936. |
| Other author/creator | Newman, Horatio Hackett, 1875-1957. |
| Contents |
Foreword, by H.F. Osborn.--Introduction, by Sir C.S. Sherrington.--Evolution--its meaning, by D.S. Jordan.--Why we must be evolutionists, by J.A. Thomson.--Can we see evolution occurring? by H.S. Jennings.--Vestigial organs, by G.H. Parker.--Evolution as shown by the development of the individual organism, by E.W. MacBride.--Embryology and evolution, by E.G. Conklin.--The geographical distribution of animals, by W.B. Scott.--The record of the rocks, by F.A. Bather.--The nature of species, by J.W. Gregory.--The progression of life on earth, by Sir A.S. Woodward.--The evolution of plants, by C.S. Gager.--The story told by fossil plants, by E.W. Berry.--Butterflies and moths as evidence of evolution, by E.B. Poulton.--Evolution of the bee and the beehive, by Sir A.E. Shipley.--The evolution of ants, by W.M. Wheeler.--The evolution of the horse and the elephant, by F.B. Loomis. |
| General note | --Evolution of the bird, by D.M.S. Watson.--Connecting and missing links in the ascent to man, by R.S. L |
| Bibliography note | "References" at end of each essay. |
| LCCN | 28012912 |