He threw out the clutch and applied both brakes, at the same time bringing the motor-cycle on to the grassy bank. He alighted on all fours, but almost immediately regained his feet. The car was already twenty yards on ahead and still in gear.
He grasped his cycle by the handle-bars and raised it from its recumbent position. One look showed that the glancing impact had bent the front forks. The machine was no longer rideable. Without hesitation he sprang up the bank. As he did so he heard the footfalls of his pursuers.
"Be steady!" cautioned Ferret, as Ross and Vernon alighted from the car. "He may be armed. We're the people to take the brunt of it—not you."
They were now within a few feet of the summit of the road, which at this spot ran through the hill by means of a cutting. Close by were three excavations. Someone had evidently attempted to commence quarrying there, but had abandoned the undertaking. As far as the detective could conclude, these pits formed the only possible hiding-place in the vicinity.
"Hist!" exclaimed Hawke, holding up one hand to enjoin silence.
All was still. No sound of stealthily retreating footsteps reached their ears. Hawke knelt down and placed one ear to the ground.
"Someone breathing pretty hard," he whispered. "He can't be very far away; in one of these holes most likely. Perhaps he's hurt himself."
An investigation of the first possible hiding-place produced no result. At the second Ross heard a long-drawn sigh, emanating from a patch of bushes and tall grass.
"Here you are!" he exclaimed.
The place was in shadow, yet he could discern some dark object lying at full length in the midst of the grass.
In a trice the two detectives threw themselves upon their prey. For an instant the man struggled wildly. Ross and his chum joined in the fray, each hanging on desperately to his plunging legs. Ignominiously he was dragged from his place of concealment into the bright moonlight.
Ferret was the first to give a gasp of astonishment. Their victim was not Ramblethorne the spy, but a powerfully built tramp, who, finding himself released, began to expostulate with alarming vehemence.
"Stop that!" exclaimed Hawke authoritatively. "We are police officers. If you don't behave we'll take you in charge for sleeping out without visible means."
The fellow, cowed into silence, slunk away.
"Confound it!" ejaculated Ferret. "We've let Ramblethorne slip away under our very noses. He'll be clear by this time."
"I'm afraid so," agreed Hawke ruefully; then turning to the chauffeur he told him to drive into the nearest village, which happened to be Much Wenlock.
Here Ross and Vernon were able to secure a room at an inn, while the Scotland Yard men were busy at the little police station, getting a description of the spy issued through the countryside.
Next morning the lads set out on their return journey to Killigwent Hall.
CHAPTER XV
The Admiral Works the Oracle
"Look here, old man; what do you say about having a shot for the Naval Reserve?" asked Ross. "In ordinary circs I would be prepared to go through Sandhurst, but this isn't ordinary circs. Before we pass out, the war will be over perhaps."
"I'd rather like to see something of the fun," agreed Vernon.
"As if we hadn't already," added his chum. "But I know what you mean. Instead of being cooped up in an unterseeboot and hunted by our fellows, we want to have a hand in rounding up the German submarines. I vote we write to our respective governors about it."
This conversation occurred two days after the lads' return to Killigwent Hall. They had been given up as lost, and their unexpected return had caused unbounded rejoicings. Pressmen thronged the Hall to gather "exclusive" information of the manner of their seemingly miraculous rescue, but both Ross and Vernon were determined not to satisfy outside curiosity. They even kept the story of how the white flag fluttered down from the signalling mast of U75 from their immediate friends.
"It will take a long time for us to get a reply," objected Vernon. "By the time the letters hang about at the G.P.O., before they are sent to the fleet, a week will elapse, and before we get a reply bang goes a whole fortnight. Let's get hold of a Navy List and see what the qualifications are."
A careful perusal of the regulations resulted in a setback. Midshipmen in the R.N.R., they found, had to be between 16 and 18 years of age, and must either have passed through a course of instruction for two years on board an "approved" training ship, or else one year on board a first-class British merchant ship.
"That's put the hat on it," declared Ross.
"One minute," interposed Vernon. "Why not write to Admiral Garboard? He's an old shipmate of my governor's, and I know he's a bit of a pot up at Whitehall, although he's on the Retired List."
"He was with my pater in the old