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The next four months were, of course, spent amid the hardships of camps and removals. The frequent letters sent to his father and other friends are all of interest to those who claim descent from him, but the general reader can be concerned in but a few of more public import, and, in most cases, only in extracts from these.
"_Bethlehem, State of Penn.,
"Dec. 24, 1776_.
"HONORED SIR,
"I returned from General Washington's head-quarters last evening, and had the pleasure of finding Polly well and as agreeably situated as I could expect. Were I to attempt writing all I wish to communicate, a week's time and a quire of paper would hardly suffice. I fancy I shall be no gainer by lending my furniture to the General Court;—General Washington would have paid me for the use of it before I left Cambridge, but, for the credit of Massachusetts, I declined it."
_"Fishkill, State of N. York,
"Jan_. 20, 1777.
"HONORED SIR,
"After spending the winter hitherto in Pennsylvania and the Jerseys, with frequent removals, some loss, much expense and fatigue, we are once more on the east side of Hudson's River. We arrived at this place last Friday, in good health, after a journey of more than one hundred miles, in severe weather, through the upper part of New Jersey, a new-settled, uncultivated country. The sight of a boarded house or glass window was a great rarity; a cordial welcome to any connected with the American army still greater. Although they are fully sensible of the value of money, and we offered cash for all we wanted, yet I believe we were not a little obliged to their fears for what civility we met with, except only from one family. But I must defer a particular account until I have the happiness to see you.
"I have nothing of news to write but what you must hear sooner in another way. General Heath and the militia are besieging Fort Independence; if they can carry that, they will attempt New York. It is not improbable I shall join him in a few days."
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The office of Deputy Director-General of Hospitals was established by ordinance, April 7th, 1777; and four days later, Dr. Foster was chosen by Congress to this office, having charge of the Eastern Department. His subsequent residence was mainly at Danbury, Connecticut.
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Of Tryon's expedition against Danbury we have the following account, differing in some respects from the common version:—
"Danbury, May 1, 1777.
"You have doubtless heard of the enemy's expedition to this place, and been anxious for us. This is the first moment of leisure I have had, and, if not interrupted, I will endeavor to give you a particular account.
"On Saturday morning, about three o'clock, an express from Fairfield brought advice, that a large body, three or four thousand British troops, had landed from upwards of twenty transports, under cover of some ships of war near that place, and that it was probable their design was against the provision and other stores collected in this town; another express soon after sunrise informed us of their being on the march. The militia were mustered, and a few Continental troops that were here on their way to Peekskill prepared to receive them; but their number was so inconsiderable, and that of the enemy so large, with a formidable train of artillery, I had no hope of the place being saved.
"I had, upon the first alarm, ordered all the stores in my charge to be packed up, ready for removal at a minute's warning. Upon the second express, I persuaded Polly, with what money was in my hands, to quit the town: she was unwilling, but I insisted on it. We were so much put to it for teams to remove the medicines and bedding, that I determined rather to lose my own baggage than put it on any cart intended for that purpose; and had not a gentleman's team, already loaded with his own goods, taken it up, I must have lost it. As the enemy entered the room at one end, after our troops had retreated to the heights, I went out at the other, not without some apprehension (as I was to cross the route of their flank-guard) of being intercepted by the light horse.
"After having seen the medicines, all of them that were worth moving, safe at New Milford, I returned to town the next morning, and went with our forces in pursuit of the enemy. About noon the action began in their rear, and continued with some intermission until night; the running fight was renewed next morning, and lasted until the enemy got under cover of their ships. We have lost some brave officers and men. Their loss is unknown, as they buried some of their dead, and carried off others; but, from the dead bodies they were forced to leave on the field, it must have greatly exceeded ours. General Wooster was wounded early in the action; he is in the same house with me, and I fear will not live till morning.
"Our loss in provisions, &c., is between two and three thousand barrels of pork, a quantity of flour, some wheat, and some bedding."
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In this bundle are many letters from Mrs. Foster. They are interesting for their true-hearted patriotism and domestic love; but there is room for only a brief extract from a letter referring to this same expedition.
"Danbury, May 13, 1777.
"DEAR MADAM,
"I received yours and father's by Messrs. Russell and Gorham. Doctor had not the pleasure of seeing either of the gentlemen, as he was gone to Fishkill to oversee the inoculation of the troops, which was a very great disappointment.
"I expected last Monday to have been with you by this time, as I was driven from here by the enemy (tho' very unexpected, as this place was thought to be very secure). I removed to New Milford, from whence I intended to have set out for Boston. On Sunday, the Doctor took his leave, and left me to take care of the wounded. Monday morning, everything was got ready for me to set out at twelve o'clock, when I received a note from the Doctor, desiring I would tarry a little longer. I have now returned to my old lodgings at Danbury, where the Doctor thinks of building a hospital. He joins me in duty and love.
"Your affectionate daughter,
"MARY FOSTER."
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Much of Dr. Foster's time was necessarily spent in journeyings to the several divisions of the army and various military stations. On such journeys his letters to his wife were very frequent. We extract a part of one.
"_Palmer, Thursday even'g,
"July 31, 1777_.
"DEAR POLLY,
"I arrived here, which is eighty-three miles from Boston, about sunset this evening, in good health. The enemy's fleet has sailed from New York, and was seen standing to eastward. Some suppose them bound for Boston; but I cannot think so, as General Washington, who, I presume, has the best intelligence, is moving towards Philadelphia. Before you receive this, it will be made certain with you. Should they attack Boston, I would have you get as many of our effects as possible removed out of their way, and inform me by the post where you remove to. Should such an event take place, it will become my duty, after visiting Danbury, to return to the scene of action. To your own prudence and the care of Heaven I leave all, and am, with love to the children, ever yours."
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In the lapse of years, many letters have, without doubt, been lost. Thus, but two remain bearing date of 1778. Neither of these contains matter of public import. In May, he speaks of intending a journey to Yorktown, and says, "if anything extraordinary happens between the two armies," he
