back contents forward {{frabfp036.png}} || eagles of the sky || closer to the earth and doubtless the broad palmetto leaves must be making a considerable slashing as they struck one another, dead and withered ones sawing like some giant violin bow. This, with the wash of the waves upon the pebbled beach, would make enough noise to effectually deaden the whirr of the propeller--the new and novel muffler or silencer, fashioned very much on the order of such a contraption as successfully applied to small firearms, was doing wonderfully, and Perk every little while made motions as though shaking hands with himself because of this addition to their security, for under the usual conditions prevailing anything like secrecy in a noisy airship had been unknown to the sky detectives. Perk had been under a strange hallucination when that other plane was soaring overhead--in fact he was once again back in the Argonne, with his boat hugging the earth, and an enemy swooping in circles overhead--he had even gone so far as to imagine the German war ace might be maneuvering so as to drop one of his bombs straight down on the stranded craft, with results that must spell a complete wipeout. When they did not have their handy earphones in service Jack and his right bower had arranged a secret alphabet of signals, consisting of all manner of pokes and nudges, by means of [[36]] back contents forward