The leader of the Valdivia Expedition was Professor Chun (Leipzig), the botanist was Professor Schimper. The leader of the Gauss Expedition was Professor von Drygalski. Dr. Werth collected the algae from Kerguelen - and Professor Vanhöffen made the collection from the Cape Verde Islands. Forwarding a reply from Vanhöffen about publication: Does not recommend publishing the material in several parts. There is no urgency to publish a separate list of the Lithothamnion specimens from the Gauss Expedition.