Darwiniana; Essays and Reviews Pertaining to Darwinism
Produced by Dave Gowan <dgowan@bio.fsu.edu>
NEW YORK: 1876.
Views and Definitions of Species—How Darwin's differs from that of Agassiz, and from the Common View—Variation, its Causes unknown.—Darwin's Genealogical Tree—Darwin and Agassiz agree in the Capital Facts—Embryology—Physical Connection of Species compatible with Intellectual Connection—How to prove Transmutation.—Known Extent of Variation—Cause of Likeness unknown—Artificial Selection.—Reversion—Interbreeding—Natural Selection.—Classification tentative.—What Darwin assumes.—Argument stated.—How Natural Selection works.—Where the Argument is weakest.—Objections—Morphology and Teleology harmonized.—Theory not atheistical.—Conceivable Modes of Relation of God to Nature
How Design in Nature can be shown—Design not inconsistent with Indirect Attainment
Alphonse De Candolle's Study of the Oak Genus.—Variability of the Species.—Antiquity.—A Common Origin probable.—Dr. Falconer on the Common Origin of Elephants—Variation and Natural Selection distinguished.—Saporta on the Gradation between the Vegetable Forms of the Cretaceous and the Tertiary.—Hypothesis of Derivation more likely to be favored by Botanists than by Zoologists.—Views of Agassiz respecting the Origin, Dispersion, Variation, Characteristics, and Successive Creation of Species contrasted with those of De Candolle and others—Definition of Species—Whether its Essence is in the Likeness or in the Genealogical Connection of the Individuals composing a Species
Age and Size of Sequoia.—Isolation.—Decadence.—Related Genera.— Former Distribution.—Similarity between the Flora of Japan and that of the United States, especially on the Atlantic Side.—Former Glaciation as explaining the Present Dispersion of Species.—This confirmed by the Arctic Fossil Flora of the Tertiary Period.—Tertiary Flora derived from the Preceding Cretaceous.—Order and Adaptation in Organic Nature likened to a Flow.—Order implies an Ordainer
General Tendency to Acceptance of the Derivative Hypothesis noted.—Lyell, Owen, Alphonse De Candolle, Bentham, Flower, Ailman.— Dr. Dawson's Story of the Earth and Man examined.—Difference between Scientific Men and General Speculators or Amateurs in the Use of Hypotheses