its significance, 200, 201;
Burgoyne's invasion, 203-211;
Washington's preparations for, 204-206;
Howe's error in neglecting to cooperate, 205;
capture of Ticonderoga, 207;
battles of Bennington, Oriskany, Fort Schuyler, 210;
battle of Saratoga, 211;
British repulse at Fort Mercer, 217;
destruction of the forts, 217;
fruitless skirmishing before Philadelphia, 218;