"What colour is the top of this car?" he asked, and Bim climbed up.
"White," he said. "Is there time to put on a little of this 'camelflage' I've heard so much about?"
The party set to work in haste to tear down small branches of trees and scraps of bushes, and heap them on to the top of the car. Cherry Bim, who had the instinct of deception, superintending the actual masking of the roof, and as the sun was now setting detected a new danger.
"Let all the windows down," said Cherry. "Put a coat over the glass screen and sit on anything that shines."
They heard the roar of the aeroplane coming nearer and crouched against the trunk of a tree. Suddenly there was a deafening explosion which stunned the girl and threw her against Malcolm. She half-rose to run but he pulled her down.
"What was it?" she whispered.
"A small bomb," said Malcolm. "It is an old trick of airmen when they are searching woods for concealed bodies of infantry. Somebody is bound to run out and give the others away."
Cherry Bim, fondling his long Colt, was looking glumly at the cloud of smoke which was billowing forth from the place where the bomb had dropped. Round and round circled the aeroplane, but pre-
