著者： Frances Baker Mason; David Starr Jordan; J Arthur Thomson; H S Jennings; George Howard Parker; E W MacBride; Edwin Grant Conklin; William Berryman Scott; Francis Arthur Bather; J W Gregory; Arthur Smith Woodward; C Stuart Gager; Edward Wilber Berry; Edward Bagnall Poulton, Sir; A E Shipley, Sir; William Morton Wheeler; Frederic Brewster Loomis; David Meredith Seares Watson; Richard Swann Lull; William K Gregory; Samuel J Holmes; Grafton Elliot Smith; Julian Huxley; C Lloyd Morgan; Horatio Hackett Newman