Genetic relationship and evolution of human races / Masatoshi Nei and Arun K. Roychoudhury
Classifications of selection-migration structures and conditions for a protected polymorphism / Samuel Karlin
Regulatory mutations and the development of new metabolic pathways by bacteria / R.P. Mortlock
The yeast flora associated with the decaying stems of columnar cacti and Drosophila in North America / William T. Starmer [and others]
Evolutionary ecology of Australian Drosophila : a species analysis / Peter A. Parsons
Behavioral biology and evolution of the Hawaiian picture-winged species group of Drosophila / Herman T. Spieth.