1. Introduction
2. Inbreeding Depression and Heterosis: Plants
3. Inbreeding in Animals: Differentiation and Depression
4. Variability under Inbreeding and Crossbreeding
5. Genotypic Persistence in Inbred Lines and Clones
6. The Course of Directional Selection
7. Artificial Selection Excluding Insects
8. Artificial Selection with Insects
9. Natural Selection in the Laboratory
10. Experimental Stochastic Distributions of Gene Frequencies
11. Mutation and Selection
12. Theories of Evolution: Mutation and Mass Selection
13. Shifting Balance Theories of Evolution
14. Genetic Load and Genetic Variability
15. The Evolution of Dominance
16. Breeds of Livestock
17. General Conclusions
Bibliography
Corrections for Volume 1 and 2
Author Index
Subject Index