taken away if we assume with Ritschl that Eratosthenes resigned his office some years before his death, which allows us to put the birth of Apollonius at about 280, and would solve other difficulties. For instance, if the Librarians were buried within the precincts, it would account for the burial of Apollonius next to Callimachus—Eratosthenes being still alive. However that may be it is rather arbitrary to take away the "bibliothecariate" of Apollonius, which is clearly asserted by Suidas, on account of chronological calculations which are themselves uncertain. Moreover, it is more probable that the words following "some say" in tile second "life" are a remnant of the original life than a conjectural addition, because the first "life" is evidently incomplete, nothing being said about the end of Apollonius' career.
The principal event in his life, so far as we know, was the quarrel with his master Callimachus, which was most probably the cause of his condemnation at Alexandria and departure to Rhodes. This quarrel appears to have arisen from differences of literary aims and taste, but, as literary differences often do, degenerated into the bitterest personal strife. There are references to the quarrel in the writings of both. Callimachus attacks Apollonius in the
