Chapter 5

"Speck" 68 Bristles of "club" 70 e. Manifold effects of same factor 71 f. Constant but trivial effects may be the product of factors having other vital aspect 73 g. Sex-linked inheritance 75-80 in Drosophila ampelophila 75-76 in the wild species D. repleta 76 in man 77 in domesticated Fowls 77-78 in the wild moth, Abraxas 78-80 h. Multiple allelomorphs 81-84 in the wild Grouse Locust 81-83 in domesticated mice and rabbits 83 in Drosophila ampelophila 84

4. MUTATION AND EVOLUTION 84-88