THURSD AY, September 21.L O N JIn a letter from Bofton;%i*d tfis 20th of Ao-guft, to a geirtleman in thia.clty* k i» faid, thatfourteen “officers under Gen. Gage had refignedtheir commHfions, and would return home with one of the firft ftrips. Several reafons are affigned 5 one amongft the reft is that of fome officers from home being promoted in djeroomof thofe killed t)r difabled in the late engagements. It is added, that the General would have come home with his lady in the Charming Nancy* had not the abovecircumftance happened to detain him fome time longer.Letters from Bofton fay, that General Gage and General Burgoyne will be in England by thetime the parliament meets, in order to lay before the Houfe an account.of their whole proceedingsiince the army has been at Bofton, with the fitua-tion the troops are iW, and their improbability of fubduing the Americans without a reinforcementof 50,000 men* a ftrongtrain of artillery, and fome fmall field pieces to traverfethc woods with, where the rifle men cannot do that mifchief they can in a pitched battle; and the letters furtheradd, that without the above is granted, the Generals are determined not to return on that fer-vice.Letters in town by the Charming Sally, from Bofton, mention, that the Provincials have made themfelv.es Matters of fomd important polls, whichthey have intrenched in a manner ftrong beyendconception ; and that the talk among tne King s officers of attacking them when the reinforcements arrive is now entirely dropped, as they con-fefs they could not come to an engagement even fuppofing their number to be equal, without a material difadvantare.. SI • r . r