The Siege of Boston

by Allen French

On the two heights of Dorchester, commanding the town and the harbor, stood two American redoubts, larger and stronger than the redoubt at Breed's Hill. On lesser elevations stood smaller works. Seen from below, Washington's preparations seemed complete.

All that moonlit night, while the cannonade proceeded, the Americans had been busy. Everything had been prepared: the forts were staked out, the carts were loaded, the men were ready. As soon as the cannonade began, the men and carts were set in motion; the road was strewn with hay, and bales were piled to screen the carts as they passed to and fro. The troops worked with a will, first placing fascines in chandeliers to form the outlines of their works, and then covering them with earth. There is no better contemporary account given than in the diary of an unnamed officer, published some ninety years later.[150] He wrote:—

"A little before sunset marched off from Roxbury; but for more than half a mile before we came to Dorchester lines,[151] we overtook teams in great plenty, nor did we find any vacancy till we came to the lines; in some places they were so wedged in together, we were obliged to leave the road to get forward; we reached the lines at seven o'clock, where we waited half an hour for orders, when a signal was given and the cannonade began at Lamb's fort, and was immediately answered by a very warm fire from the enemy's lines; a brisk fire between N. Boston and our fortifications on Cambridge side, began soon after. It was supposed there was a thousand shot hove this night, by both armies, more than three fourths of which were sent from Boston.[152] Our party, consisting of about 2400 men, with 300 teams, were crossing the marsh, onto the Neck, which together with a fresh breeze from the S. W.[153] concealed us from the enemy till they could see our works by daylight. The division to which I was assigned, commanded by Col. Whitcomb, was ordered onto the northerly hill, where in one hour's time we had a fort enclosed, with fascines placed in shandelears; and we immediately employed as many men at intrenching as could be advantageously used for that purpose. A larger party was assigned to the high hill, where they erected a larger fort, built much in the same manner as ours. There were four other smaller forts and batteries erected this night on other eminences on the Neck."[154]

It is not to be wondered that the British, on making the discovery, "seemed to be in great confusion."[155] The labor that had been expended appeared prodigious. Washington himself was satisfied with the works; he knew them to be secure against the British cannon. To Howe the achievement was amazing, and he is said to have exclaimed that his whole army could not have done as much in a month. He wrote to Lord Dartmouth that the rebels must have employed at least twelve thousand men, whereas it was accomplished by two details of little more than two thousand men each. But in those days the British soldier was a poor hand with a shovel, while the Americans were all farmers. Nevertheless it is worth noting the difference in organization displayed in the taking of Dorchester and in the earlier seizure of Breed's Hill. Instead of a small detachment sent to unsurveyed ground, and unaided during both the work and the battle, Washington had his ground prepared,[156] his detachments ready, and his cannon in reserve to send upon the Heights. In the morning the redoubts, presenting the appearance of finished fortifications, were manned with fresh men.

Howe called at once a council of war. To it the admiral was summoned, and declared positively that his fleet was at the mercy of the rebels. There was but one opinion as to the situation: the honor of the army was at stake, and in addition the military reputation of the general. It was promptly decided to storm the works.

For this purpose twenty-four hundred men were sent to the Castle, which lay close under the Heights to the east, with but a narrow channel between. The command of these men was given to Lord Percy, who hoped now for the distinction which illness had prevented his achieving at Bunker Hill. The attack was to be made at night. Within the lines at Boston Neck was to be gathered another force of troops, which was to second the attack from that direction. This last, in the face of the strong batteries at Roxbury, was a forlorn hope; according to Lieutenant Barker the troops were not to load, but to advance with fixed bayonets, and may have hoped to carry the works by surprise.

Washington would have welcomed the main attack. During the day his works were strengthened and his men reinforced. Orchards had been cut down to serve as abattis, and barrels of earth were ready to roll down upon the British. The men were confident; they were commanded by Thomas, one of the best of the brigadiers, and Washington was there in person with a reminder that put courage into the breast of every American. For the day which he had chosen to decide the fate of Boston was the fifth of March, the anniversary of the Massacre.

Besides all this, Washington had another weapon in reserve. In the Charles River, out of sight of Boston, were his two floating batteries and his bateaux filled with soldiers. They were under Putnam, Sullivan, and Greene; and at a given signal, if Washington deemed the opportunity good, they were to cross the Back Bay and attack the town.—Truly the preparations were for such fighting as had never been seen in America.