Michael of Ephesus' commentary on Aristotle's On the Generation of Animals is the earliest surviving, and perhaps first, commentary on this foundational zoological treatise. Composed in the 12th century as part of the Aristotelian revival which took place under the patronage of Constantinople's Anna Comnena, this commentary represents the state

The two texts translated in this volume of the Ancient Commentators on Aristotle series both compare the happiness of the practical life, which is subject to the hazards of fortune, with the happiness of the life of philosophical contemplation, which is subject to fewer needs. The first is Michael of

Historically and philosophically informed introduction to the embryological, zoological, and medical views presented in this sophisticated and challenging text.

This text by Philoponus, the sixth-century commentator on Aristotle, is notable for its informative introduction to psychology, which tells us the views of Philoponus, of his teacher and of later Neoplatonists on our psychological capacities and on mind-body relations. There is an unusual account of how reason can infer a

Given the enduring importance of Aristotle s "Nicomachean Ethics," it is remarkable to find that there is no extensive surviving commentary on this text from the period between the second century and the twelfth century. This volume is focused on the first of the medieval commentaries, that produced in the