The regeneration of the reproductive system from the body wall reduced to its parietal mesoderm covered with epidermis has been studied in adult worms. It has enabled us to show that each… (More)
We have studied the effect of zinc chloride, known for the morphogenetic changes it causes in embryos of Vertebrates and Invertebrates, on the sexual differentiation ofEisenia foetida, a… (More)
The fertility of experimental triploid worms has been studied in Eisenia foetida Sav. This study has led us to the conclusion that the female germ line is abortive while the male germ line may as an… (More)