corals. hexacoralla. science art.

1899 19th animals antique art biology biology-art black-background book botanical century chromolithography cnidarian corals crab date drawing engraving enthomology ernest ernst forms fungi haeckel haeckel-ernest hexacoralla hydra illustration illustrations insects jellyfish larva lichenes lithograph mandala mushrooms myceto mycetozoa nature” polyp print publication science sea sea- shells snail starfish urchin zoology “art