Jacobi Theodori Klein historiae piscium naturalis promovendae. Missus 2, De piscibus per pulmones spirantibus ad iustum numerum et ordinem redigiendeis.

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Jacobi Theodori Klein historiae piscium naturalis promovendae. Missus 2, De piscibus per pulmones spirantibus ad iustum numerum et ordinem redigiendeis. Public Domain Mark. Source: Wellcome Collection.