7. This is the Great Zab, which contributes to the Tigris above Baghdad in October about one quarter of its waters. Xenophon (at III.3.6) omitted to describe how such a large river was crossed. The Little Zab, which is about half as big a river, he omitted even to mention.

8. This detail may have been used by Menon to give point to his accusations of Clearchus. See Introduction p. 25 for the nature of the proceedings within Tissaphernes’ tent. According to Xenophon, ‘Cearc’nus insisted strongly’ on going to Tissaphernes; according to Ctesias (Fr.27), he went against his will, compelled by the mass of the Greeks.

9. Xenophon does not dwell on this curious mention of Proxenus, his friend, as joint accuser of Clearchus, but. Ctesias (Fr.27) confirms that Proxenus was associated with Menon. Perhaps Xenophon’s whole account of the arrest is not entirely trustworthy.