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Chapter 4
Steno's picture of a shark's head and teeth which led him to suggest that glossopetrae found in the ground were in fact sharks' teeth. The picture of the shark head was copied from an earlier illustration.
Section of Steno's book dealing with the dogfish.
Steno's illustration of the reproductive systems in a viviparous dogfish (left) and in an oviparous fish.
An academic procession at Leiden University from the early 1660s, much like the one Swammerdam had to undergo in 1667.
Chapter 1
Chapter 2
Chapter 3
Chapter 5
Chapter 6
Chapter 7
Chapter 8
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