[110] For the gen. after ἀμύνειν cf. 15.731 “Τρῶας ἄμυνε νεῶν”, which clearly shews the ablative sense of the case: so too 4.11, 12.403. See also on 16.522, 18.171. We also find “ἀμύνειν περί τινος,” 17.182, but the dat. is the usual case with the act., as the gen. is with the middle.