Bow to the masters: learning from Ernst Haeckel

  There is no better way to learn, than to study what the masters studied. Even though Haeckel might have been a little too creative in some of his visual analysis, he is up there with the best of them.

sea creature, pencil h2, hb, 2b
fish, pencil 2h, 2b, 4b
hummingbird

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