1. Two new subspecies of the Drosophila willistoni group;Ayala;Pan-Pacific Entomol.,1973
2. Genetic differentiation during the speciation process;Ayala;Evol. Biol.,1975
3. A new subspecies of Drosophila pseudoobscura;Ayala;Pan-Pacific Entomol.,1974
4. Enzyme variability in the Drosophila willistoni group. IV. Genetic variation in natural populations of Drosophila willistoni;Ayala;Genetics,1972
5. Red cell enzymes of primates (Anthropoidea);Barnicot;Biochem. Genet.,1970