It was made known to the Committee of Safety that General Gage had fixed upon the night of the 18th of June to take possession of and fortify Bunker Hill and Dorchester Heights. This brought matters to a crisis, and measures were taken to perfect the blockade of Boston. The Committee of Safety ordered Colonel Prescott, with a detachment of one thousand men, including a company of artillery, with two field-pieces, to march at night and throw up in-trenchments upon Bunker Hill, an eminence just within the peninsula of Charlestown, and commanding the great northern road from Boston, as well as a considerable portion of the town. To make the relative position of the eminences upon the Charlestown peninsula and the Neck, to Boston, more intelligible to the reader, I have copied from Frothingham's History of the Siege of Boston, by permission of the author, the annexed sketch, communicated to him, in a manuscript of 1775, from Henry Stevens, Esq. I also quote from Mr. Frothingham's work a description of the localities about Bunker Hill. The peninsula of Charlestown is opposite the north part of Boston, and is about a mile in length from north to south. Its greatest breadth, next to Boston, is about half a mile. It is connected with the main land by a narrow isthmus or neck. The Mystic River, half a mile wide, is on the east, and the Charles River, here formed into a large bay, is on the west, a part of which, by a dam stretching in the direction of Cobble Hill, is a mill-pond. [See map, page 54.3 ] In 1775, an artificial causeway **** was so low as to be frequent a ferry, where Charles River bridge is, and with Malden by another, called Penny Ferry, where Malden Bridge now is. Near the Neck, on the main land, was a large green, known as the Common. Two roads ran by it: one in a westerly direction, as now, by Cobble Hill (M'Lean Asylum), Prospect Hill, and Inman's Woods, to Cambridge Common; the other in a northerly direction, by Plowed Hill (Mount Benedict) and Winter Hill, to Medford—the direct road to West Cambridge not having been laid out in 1775. Bunker Hill begins at the isthmus, and rises gradually for about three hundred yards, forming a round, smooth hill, sloping on two sides toward the water, and connected by a ridge of ground on the south with the heights now known as Breed's Hill. This was a well-known public place, the name, "Bunker Hill," being found in the town records and in deeds from an early period. Not so with "Breed's Hill," for it was not named in any description of streets previous to 1775, and appears to have been called after the owners of the pastures into which it was divided, rather than by the common name of Breed's Hill. Thus, Monument Square was called Russell's Pasture; Breed's Pasture lay further south, and Green's Pasture was at the head of Green Street. The easterly and westerly sides of this height were steep. On the east, at its base, were brick-kilns, clay-pits, and much sloughy land. On the west side, at the base, was the most settled part of the town (v). Moulton's Point, a name coeval with the settlement of the town, constituted the southeastern corner of the peninsula. A part of this tract formed what is called Morton's Hill, and frequently overflowed by the tides. The Bunker Hill was one hundred and communication with Boston was by ten feet high, Breed's Hill sixty-two

* No. 1 is Bunker Hill; 2, Breed's Hill; 3, Moulton's Point; 4, a causeway near the Neck, at the foot of Bunker Hill; 5, Charlestown, at the foot of Breed's Hill. Charlestown Neck is on the extreme left.

Night March to Bunker and Breed's Hill.—A Fortification planned on Bunker Hill.—British Vessels in Boston Harbor.

feet, and Moulton's Hill *** thirty-five feet. The principal street of the peninsula was Main Street, which extended from the Neck to the ferry. A road ran over Bunker Hill, around Breed's Hill, to Moulton's Point. The westerly portions of these eminences contained fine orchards. *

A portion of the regiments of Prescott, ** Frye, and Bridge, and a fatigue party of two hundred Connecticut troops with intrenching tools, paraded in the Cambridge camp at six o'clock in the evening. They were furnished with packs and blankets, and ordered June 16, 1775 to take provisions for twenty-four hours. Samuel Gridley's company of artillery joined them, and the Connecticut troops were placed under the command of Thomas Knowlton, a captain in Putnam's regiment, who was afterward killed in the battle on Harlem Heights. After an impressive prayer from the lips of President Langdon, of Harvard College, Colonel Prescott and Richard Gridley, preceded by two servants with dark lanterns, commenced their march, at the head of the troops, for Charlestown. It was about nine o'clock at night, the sky clear and starry, and the weather very warm. Strict silence was enjoined, and the object of the expedition was not known to the troops until they arrived at Charlestown Neck, where they were joined by Major Brooks, of Bridge's regiment, and General Putnam. A guard of ten men was placed in Charlestown, and the main body marched over Bunker Hill. A council was held, to select the best place for the proposed fortification. The order was explicit, to fortify Bunker Hill; but Breed's Hill being nearer Boston, and appearing to be a more eligible place, it was concluded to proceed to fortify it, and to throw up works, also, on Bunker Hill, to cover a retreat, if necessary, across Charlestown Neck. Colonel Gridley marked out the lines of the proposed fortifications, and, at about midnight, the men, having thrown off their packs and stacked their arms, began their perilous work—perilous, because British sentinels and British ships-of-war were almost within sound of their picks. ***

"No shout disturbed the night,

Before that fearful fight;

There was no boasting high—