Science Art: Ophidia I. Tropidonotus natrix Tab 18, by Paul Pfurtscheller

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From a series of zoological wall hangings (you remember these from classrooms, don’t you?) found on Scientific Illustrations.

Viennese teacher Dr. Paul Pfurtscheller did many large-scale illustrations of living things, inside and out. Originally, they were just for the benefit of his own students – but they caught on.