ABSTRACT
The development of the adrenal gland in the insectivores has not been extensively studied, Aichel (1900) and Soulié (1903) having described it in the mole (Talpa) and Celestino da Costa (1920, 1926) in the hedgehog (Erinaceus euro-paeus). Both Soulié and Celestino da Costa agree that in these animals the adrenal develops basically much as in other mammals, i.e. the cortical primordium comes from the coelomic epithelium, and is later invaded by migrating elements (phaeochromoblasts) from the adjacent sympathetic anlage (Aichel, however, regards the two as having a common origin, from remains of nephrostomal canals of the upper part of the mesonephros).
For convenience I have retained the generic names as used by Prof. Bluntschli, instead of those given by Simpson (1945), i.e. Centetes instead of Tenrec, and Ericulus instead of Setifer.
