Entwistle had taken his gruelling in rightdown good part. He was still under nominal arrest, for having been made a prisoner he could only be released at the order of a superior officer. Already a report had been telephoned through and a reply was momentarily expected.
"I am not going to explain the whole business to you, Barcroft," said the vet, when Peter expressed his regret at the attack upon his neighbour, and still more so his astonishment at finding him under most peculiar circumstances on the cliff at Scarby. "Some day, perhaps. I had information--no matter how--that some one was in traitorous communication with enemy submarines. To bring home proofs of the principal's guilt it was necessary to tackle his subordinate. Unfortunately my plans were upset by the somewhat injudicious i
