EditorialVarieties of jellyfish, siphonophores and medusae. Including Portuguese man o'war, Physalia physalis, Physophora hydrostatica, sea raft jellyfish, Velella velella, and blue button, Porpita porpita. Lithograph from Lorenz Oken's Universal Natural Histor...
EditorialSiphonophora jellyfish colony. Physophora hydrostatica (Discolabe quadrigata), colony, gas bladder, swimming bell, polyp, etc. Chromolithograph by Adolf Glitsch from an illustration by Ernst Haeckel from Art Forms in Nature, Kunstformen der Natur, Liep...