Image: Ernst Haeckel Ernst Haeckel, plate from Antropogenie Lithograph by J. G. Bach of Leipzig after drawings by Haeckel, from Anthropogenie published by Engelmann. Found on Wikimedia Commons
Image: Ernst Haeckel Ernst Haeckel, plate from Antropogenie Lithograph by J. G. Bach of Leipzig after drawings by Haeckel, from Anthropogenie published by Engelmann. Found on Wikimedia Commons
