William Macdonald

1797 – 1875

• Contributions to the history of development in animals. I. On foetal circulation
• On the source and the course of the embryonic blood circulation during development in the warm-blooded Vertebralia
• On the vertebroid homologies of the cranium in Vertebralia or Osteozoa, and the analogous homologies of the Annulozoa or Articulata