378 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1911. 
relations of species can be shown to be deducible from the general 
doctrine of their origin which he propounds, combined with the 
known facts of geological change; and that, even if not all these 
phenomena are at present explicable by it, none are necessarily 
inconsistent with it; on the other hand, since Huxley’s time Darwin’s 
theory has been strengthened by many new facts.’ 
1 Huxley’s Essays. Everyman’s Library, p. 331. See also The International Scientific Series, vols. 
95and 97. Kegan Paul. London, 1908 and 1910. 
