The safety of an army depending in a great measure upon the guards and out-posts, they cannot be too vigilant; therefore the Commander in Chief expects, that whatever post or guard an officer is ordered to take, he will first visit his situation and ground around it, and post his centinels so as to render it out of the power of the enemy to surprise him. It is the greatest disgrace that can possibly befall an officer; and so much so in the General's opinion, that any officer, or non-commissioned officer, who shall suffer himself to be surprised, must not expect to be forgiven.--All out-posts to fortify themselves as well as they can, to prevent any insult from parties of the enemy. The troops always to form two deep; and, the roads being so narrow in the island, it will be necessary for them to march by files: if there is room to do otherwise, the commanding officer will be the best judge.--The soldiers will bear in mind the use of the bayonet, which in possession of, they can have no excuse for retreating for want of ammunition, the bayonet being the best and most effectual weapon in the hands of a gallant British soldier; in which mode of attack (the General assures them) no troops upon earth are equal to them. In case of a night attack, ammunition and firing are totally out of the question, and the bayonet is ever to be preferred and made use of. Every reason is in favour of this system; amongst many others the following, viz. It conceals you and your numbers from the enemy; the enemy direct their fire wherever they see or hear fire, consequently fire upon each other, whilst you are concealed, and they fall an easy prey. The General assures the troops of this from his own repeated experience; and the soldiers may rely in confidence upon him, that if it is strictly adhered to, it will seldom, if ever, fail of success.--As it may be necessary at particular times to order the grenadiers, light infantry, and advanced corps, to retire, in order more effectually to secure the defeat of the enemy, the Commander in Chief thinks it necessary to apprize the army of this, to prevent any alarm such an appearance might otherwise occasion amongst the soldiers.--Weak and sickly men are not to embark with their regiments or corps; proper measures will be taken to get those men to their regiments as soon as they are in a state fit for duty. No women to come on shore till particularly ordered, &c. The undernamed are the officers of Royal Engineers to serve the army on the expedition. Colonels Elias Durnford, Chief Engineer. John Chillcotts. Robert Douglas. Captains William Johnston. James Gieddes. Lewis Hay. 1st Lieutenants Richard Downe. Douglas Lawson. Richard Fletcher. 2d Lieutenant Elias Walker Durnford.