ALEXANDER.
255
sort of guard to his person, exercised the chief authority Arrhidæus, who was Philip's son by an obscure woman of the name of Philinna, was himself of weak intellect, not that he had been originally deficient either in body or mind; on the contrary, in his childhood, he had showed a happy and promising character enough. But a diseased habit of body, caused by drugs which Olympias gave him, had ruined not only his health, but his understanding.