four o'clock
`` I was thinking of that and was going to have an examination made when you stopped me , '' said Captain Moore , and hurried on . An examination showed that some of the powder on the place had been hidden . Drossdell said this was under the barn flooring , and his words proved true . Promptly at four o'clock Captain Moore appeared at the southwest corner of the stockade with a red shirt in one hand and a blue shirt in the other . Fortunately he was built like Bicker , and donning a private 's hat and coat made him look a good deal like that individual from a distance . Slowly he waved the coats to and fro for five minutes . Then an answering signal came back from some brushwood on the top of a distant hill -- the answer being similar to the signal itself , showing the message was seen and understood .