1. Mitotic gradients in the early insect embryo;Agrell;Arkiv Zool. (Ser. 2),1962
2. Triploidy in natural populations of the black fly Cnephia mutata (Malloch);Basrur;Canad. J. Zool.,1959
3. Rare parthenogenesis in Drosophila robusta.;Carson;Am. Natur.,1961
4. Carson , H. I. 1962 Fixed heterozygosity in a parthenogenetic species of Drosophila. 55 62
5. Selection for parthenogenesis in Drosophila mercatorum.;Carson;Genetics,1966