CONTENTS xxl 
PAGE 
mann’s personality, 400. Quotation from his autobiography, 4or. 
The mutation theory of De Vries, 402. An important contribu- 
tion. His application of experiments commendable, 403. The 
mutation theory not a substitute for that of natural selection, 404. 
Tendency toward a reconciliation of apparently conflicting views, 
4o4. Summary of the salient features of the theories of Lamarck, 
of Darwin, of Weismann, and De Vries, 405. Causes for bewil- 
derment in the popular mind regarding the different forms of the 
evolution theory, 406. 
CHAPTER NIX 
THE RisE oF EvoLUTIONARY THOUGHT, 407 
Opinion before Lamarck, 407. Views of certain Fathers of the 
Church, 408. St. Augustine, 4o9. St. Thomas Aquinas, 409. 
The rise of the doctrine of special creation, 410. Suarez, 410. 
Effect of John Milton’s writings, 411. Forerunners of Lamarck: 
Buffon, Erasmus Darwin, Goethe, 411. Statement of Buffon’s 
views on evolution, 412. Erasmus Darwin the greatest of La- 
marck’s predecessors, 413. His writings, 414. Paley’s Natural 
Theology directed against them, 414. Goethe’s connection with 
evolutionary thought, 414. Causes for the neglect of Lamarck’s 
theoretical writings, 415. The temporary disappearance of the 
doctrine of organic evolution, 415. Cuvier’s opposition, 415. 
The debate between Cuvier and St. Hilaire, 415. Its effect, 417. 
Influence of Lyell’s Principles of Geology, 418. Herbert Spen- 
cer’s analysis in 1852, 419. Darwin and Wallace, 420. Circum- 
stances under which their work was laid before the Linnean 
Society of London, 420. The letter of transmission signed by 
Lyell and Hooker, 420-422. The personality of Darwin, 422. 
Appearance, 423. His charm of manner, 423. Affectionate 
consideration at home, 424. Unexampled industry and con- 
scientiousness in the face of ill health, 424, 426. His early 
life and education, 425. Voyage of the Beagle, 425. The re- 
sults of his five years’ voyage, 426. Life at Downs, 426. 
Parallelism in the thought of Darwin and Wallace, 427. 
Darwin’s account of how he arrived at the conception of natural 
selection, 427. Wallace’s narrative, 428. The Darwin-Wallace 
theory launched in 1858, 429. Darwin’s book on The Origin of 
Species regarded by him as merely an outline, 429. The spread 
of the doctrine of organic evolution, 429. Huxley one of its great 
popular exponents, 430. Haeckel, 431. After Darwin, the prob- 
lem was to explain phenomena, 433. 
