Caption:
Reconstruction of a herd of Steller's sea cow, Hydrodamalis gigas, an extinct sirenian described by Georg Wilhelm Steller in 1741. Hunted to extinction in the 18th century. Stellersche Seekuh. Colour printed illustration by F. John from Wilhelm Bolsches Tiere der Urwelt (Animals of the Prehistoric World), Reichardt Cocoa company, Hamburg, 1908.