The Naples Zoological Station and its library are growing fast. His life is a constant battle with the municipality, but has managed to make a little progress on vertebrate ancestry and morphology. His views get further away from what is generally accepted.

News of Naples Zoological Station developments.

His remarks on physiology in the Academy were aimed at Prof. Ludwig and his school.

The usual "exact" methods in experimental physiology want only a little pushing to put an end to superstition.

Recounts how he had worked out the explanation of Rhizocephala morphology via the Anelasma – an example of both the power of inheritance and the power of genealogical investigation. R. Kossman’s work has now confirmed AD’s explanation.