No sooner had Sheila gone than the two brothers began to quarrel—to end in hot and bitter words at supper one night, when William left the table and returned at once to Ballybor. A few days afterwards Patrick received an order from Dublin to report at once to the Sinn Fein H.Q.’s there, and though he would have liked to refuse, he dared not. On arrival in Dublin, Patrick duly reported at H.Q.’s, and there learnt that he had been chosen for a most unpleasant job. About this time, after their signal initial successes, the I.R.A. were endeavouring to organise a force which would entirely wipe out the police, or at any rate reduce them to complete impotence. To this end the General Staff of the I.R.A. were determined to leave no stone unturned to achieve success in the ambuscades of patrols and attacks on barracks. During the preliminary attacks the rebels had lost heavily through lack of medical care, and it was now determined that a doctor should attend all ambuscades and attacks. Funds were plentiful, and in a few days Patrick found himself set up as a practising doctor in a large house in Dublin, and it was arranged that, when an attack was to take place in a certain district, he should receive a wire calling him to hold a consultation in a district close by. They supplied him with a good car, there were no restrictions on the movements of doctors, so that the busy young Dublin doctor, hurrying to the sick-bed of a country patient, excited no suspicion. The plan was quite simple, and worked smoothly. An ambuscade would be arranged at H.Q.’s in Dublin to take place at a certain point where it was known that a police patrol passed. The day before Patrick would receive his wire, and early the next morning would leave Dublin for the scene of operations. When within a short distance of the attack he would stop his car, and remain there until the fight was over, attend to the wounded, and afterwards return to Dublin. On two occasions he was surprised by relief parties of military, but each time he was able to explain his presence—that it was a mere chance that he happened to be passing, and that his professional instincts were at once aroused by the sight of the wounded men. In the case of an attack on police barracks the procedure was somewhat different. Some days before Patrick would receive his usual wire—never from the place where the attack was to take place, but from a neighbouring town—and at the same time would receive instructions in Dublin of the time and place of the attack. On arriving at the place of attack he would put up at the best hotel, giving out that he had come to attend a consultation in the town, from which the wire had been sent. After a talk with the local Volunteer captain, a house would be decided on as a temporary hospital, to which the wounded would be taken, and after the attack Patrick would simply disappear.