The Theory of Population Genetics \ 123 



REFERENCES 



Crow, James F. 1958. Some possibilities for measuring selection intensities 

 in man. In J. N. Spuhler [ed.], Natural Selection in Man, Wayne State 

 Univ. Press, Detroit. This paper and those cited in its bibHography 

 deal with the problem of genetic load. 



Li, C. C. 1955. Population Genetics. Univ. of Chicago Press, Chicago. 

 Every student should be familiar with this clear, concise, and generally 

 excellent text. The bibliography contains references to most of the 

 theoretical literature, including very important general works by 

 Fisher and Haldane and the classic papers of Hardy and Weinberg. 



Population Genetics: The Nature and Causes of Genetic Variability in 

 Populations. 1955. Cold Spring Harbor Symposia on Quantitative 

 Biology, vol. 20. The papers in this volume are a good sampling of 

 recent thinking in population genetics. See especially the papers in the 

 section Integration of Genotvpes. 



Wright, Sewall. 1932. The roles of mutation, inbreeding, crossbreeding 

 and selection in evolution. Proc. Sixth Intern. Congr. Genet. 1: 356-366. 

 In this important paper Wright develops his idea of "adaptive fields." 



. 1958. Systems of Mating and Other Papers. Iowa State College 



Press, Ames, Iowa. This useful booklet reprints four of Wright's most 

 important papers, including Evolution in mendelian populations 

 {Genetics 16: 97-159). 



