The Structure of Evolutionary Theory

The Fruitful Facets of Gabon's Polyhedron 425 somatic to germ cells and provide a mechanism for Lamarckian inheritance. In de Vr ...

426 THE STRUCTURE OF EVOLUTIONARY THEORY p. 222): "Species and varieties have originated by mutation, but are, at present, not k ...

The Fruitful Facets of Galton's Polyhedron 427 observation of the origin of species, and of the experimental control thereof" (1 ...

428 THE STRUCTURE OF EVOLUTIONARY THEORY origin of species. Taking the traditional anti-Darwinian line, and employing a striking ...

The Fruitful Facets of Gallon's Polyhedron 429 to the theory of mutation on the other hand useless or even disadvantageous ones ...

430 THE STRUCTURE OF EVOLUTIONARY THEORY The theory of mutations is a starting point for direct investigation while the general ...

The Fruitful Facets of Gabon's Polyhedron 431 Darwinian escape from this paradox lay in a claim that fluctuating variation would ...

432 THE STRUCTURE OF EVOLUTIONARY THEORY practical point, de Vries did not propose that all traditional taxonomy be restructured ...

The Fruitful Facets of Galton's Polyhedron 433 Just as the establishment of Linnaean species had made genera artificial, so too ...

434 THE STRUCTURE OF EVOLUTIONARY THEORY thought (dating to Lamarck's distinction of progressive increments from lateral branche ...

The Fruitful Facets of Gabon's Polyhedron 435 an interesting later paper (de Vries, 1915), he tried to calculate the "coefficien ...

436 THE STRUCTURE OF EVOLUTIONARY THEORY almost religious romanticism, an odd rhetorical strategy (and smokescreen) for such a s ...

The Fruitful Facets of Gabon's Polyhedron 437 "New elementary species attain their full constancy at once" (p. 562). Again, de ...

438 THE STRUCTURE OF EVOLUTIONARY THEORY the causes of mutation might place evolutionary alteration under our control, and give ...

The Fruitful Facets of Gallon's Polyhedron 439 Darwinism and the mutation theory CONFUSING RHETORIC, AND THE PERSONAL FACTOR. Th ...

440 THE STRUCTURE OF EVOLUTIONARY THEORY The mutation theory is fully Darwinian. (Darwin might have flirted with a false idea a ...

The Fruitful Facets of Galton's Polyhedron 441 the material of facts was not adequate to a correct decision. The mutation theory ...

442 THE STRUCTURE OF EVOLUTIONARY THEORY Darwin recognized both kinds of variation. Early in his career he correctly emphasized ...

The Fruitful Facets of Galton's Polyhedron 443 Darwinism did not rank as a dominant philosophy at the time, and issues of heart ...

444 THE STRUCTURE OF EVOLUTIONARY THEORY upon the validity of the remaining two criteria at this higher level: copiousness and i ...