1. Several species of Acrididae provide valuable material for both cytological and genetical research.
2. The technique of breeding and the life history ofChorthippus parallelus are described.
3. The action of 14 genes inC. parallelus, and the segregation of 10 of them, are described.
4. The problems of genecology of grasshoppers are discussed and some preliminary results given.
Volume 100, 2021
Continuous Article Publishing mode
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