An account of the Actinia Sociata or Clustered Animal-flower, lately found on the Sea-Coasts of the new-ceded Islands: In a Letter from John Ellis, Esquire, F. R. S. to the Right Honourable the Earl of Hillsborough, F. R. S. - Druffel, E. R.; Griffin, S.; Witter, A.; Nelson, E.; Southon, J.; Kashgarian, M.; Vogel, J. (Geochimica et Cosmochimica Acta, 1995)