The Anglo-Allied Post at Frasne is driven in by the Advanced Guard of NEY's Corps; the progress of which is checked by Prince BERNHARD of Saxe Weimar's Dutch-Belgian Brigade in front of Quatre Bras 116 Disposition of NEY's forces in the night of the 15th of June 118 WELLINGTON is informed of NAPOLEON's advance, and makes his dispositions accordingly 119 Order of the movements of the Anglo-Allied Army 120 Disposition of the Centre and Right Columns of the French Army during the night of the 15th 123 Remarks on the result of NAPOLEON's operations on the 15th of June 123 CHAPTER V. On the morning of the 16th, WELLINGTON's troops are in movement upon Nivelles and Quatre Bras 129 The Dutch-Belgian Detachment at the latter point is reinforced, and becomes engaged with the French Advanced Guard 129 The Prince of ORANGE arrives, and succeeds in forcing back the French upon Frasne 131 NEY's views and dispositions 131 WELLINGTON arrives in person at Quatre Bras 134 He proceeds to the Prussian Head Quarters for the purpose of holding a conference with BLÜCHER 134 Adopted Plan of Operations 135 Instructions received by NEY from NAPOLEON 135 NEY's advance 143 The Prince of ORANGE's dispositions to meet it 143 Relative strength 143 The Prince of ORANGE retires towards Quatre Bras, occupies the Wood of Bossu, and endeavours to maintain the Post of Gemioncourt 144 Arrival of PICTON's Division 145 Conspicuous gallantry of the Prince of ORANGE 147 Arrival of VAN MERLEN's Light Cavalry Brigade 148 VAN MERLEN advances in support of PERPONCHER's Infantry 148 Both are driven back: the former to Quatre Bras; the latter into the Wood of Bossu, which is now attacked by the French 148 The latter occupy Gemioncourt and Piermont 148 NEY's position 149 Arrival of the principal portion of the Brunswick troops 149 Relative strength 150 Part of the Brunswick Corps posted between the Charleroi road and the Wood of Bossu 151