Lucius Annaeus Seneca (c. 5 BC - AD 65) - History of Vegetarianism - Excerpts from Seneca's writings in which he explains how he became acquainted with Pythagoras' avoidance of animal flesh and how the theory of transmigration of souls is the basis for the Greek philosopher's diet.
Seneca: A Thinker for Our Times - http://ancienthistory.about.com/library/weekly/aa011100a.htm An overview of Seneca's life, death, and his significance for the history of philosophy from About.com.
Status Code: 301 - Location: http://ancienthistory.about.com/od/seneca/a/SenecaThinker.htm