1. Arnold, S J. 1990. Inheritance and the evolution of behavioral ontogenies. In: Hahn, M. E., Hewitt, J. K., Henderson, N. D. and Benno, R. H. (eds) Developmental Behavior Genetics: Neural, Biometrical, and Evolutionary Approaches, pp. 167–189. Oxford University Press, New York.
2. Arnold, S J. 1994. Multivariate inheritance and evolution: a review of concepts. In: Boake, C. R. B. (ed.) Quanti- tative Genetic Analysis of the Evolution of Behavior, pp. 17–48. University Of Chicago Press, Chicago.
3. Barton, N H, and Charlesworth, B. 1984. Genetic revolutions, founder events and speciation. Ann Rev Ecol Syst, 15, 133–164.
4. Becker, W A. 1992. Manual of Quantitative Genetics, 5th edn. Academic Enterprises, Washington.
5. Breese, E L, and Mather, K. 1960. The organization of polygenic activity within a chromosome in Drosophila. II. Viability. Heredity, 14, 375–399.