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On Generation and Corruption, also known as On Coming to Be and Passing Away is a treatise by Aristotle. Like many of his texts, it is both scientific and philosophic. The philosophy, though, is essentially empirical; as in all Aristotle's works, the deductions made about the unexperienced and unobservable are based …

On the Parts of Animals is a text by Aristotle. It was written around 350 BC. The whole work is roughly a study in animal anatomy and physiology; it aims to provide a scientific understanding of the parts of animals.