Note 12 — BOOK III.
Rowland Smith translation
κελευστής,(in Latin, Hortator or Portusculus) an officer in a ship who gave the signal to the rowers, that they might keep time in rowing. The same name was also given to the pole or hammer, by the striking of which he regulated the motion of the oars.
"mediæ stat margine puppis, Qui voce alternos nautarum temperet ictus, Et remis dictat sonitum, pariterque relatis Ad sonitum plaudat resonantia cœrula tonsis." Silius Italicus, VI. 360.
See Æsch Persæ. 388.