Scores of others had previously posted themselves in the airdrome; but all were kept back by a cordon of ropes and a guard of Zone policemen. Inside of the barrier were a favored few Government officials and distinguished personages, newspaper men, photographers, and Mr. Giddings and Mr. Wrenn themselves.  Colonel Hess, the judge of the contest, was also present, ready to receive the flyers' affidavits of stops.