Ventral, profile and dorsal views of the Warty octopus (Graneledone verrucosa). Photogravure by Cass
Ventral, profile and dorsal views of the Warty octopus (Graneledone verrucosa). Photogravure by Cassas, engraved by Louis Colas and printed by F.Champenois, Paris. Contribution a l'Etude des Cephalopodes de l'Atlantique nord (4e Serie) by Henri Marcelet and Louis Joubin, 1924. Archive Institutionnelle de l'Ifremer.source -- source link