On the extreme Left was a British Horse Battery[9] of six guns, under Lieutenant Colonel Sir ROBERT GARDINER, with VIVIAN's Hussar Brigade. Upon the exterior slope of the main ridge, and above the Hamlet of Papelotte, were four guns of Captain BYLEVELD's Dutch-Belgian Horse Battery, attached to PERPONCHER's Division. The remaining four guns of this Battery were on the crest of the main ridge, in rear of that Division. On the highest point of the position of the Left Wing, and in front of the Right of BEST's Hanoverian Brigade, was posted Captain RETTBERG's Hanoverian Foot Battery of six guns. In front of KEMPT's Brigade stood Major ROGERS's British Foot Battery of six guns. Major LLOYD's British, and Captain CLEEVES's King's German, Foot Batteries, of six guns each, were with ALTEN's Division. Major KUHLMANN's King's German Horse Battery, and Captain SANDHAM's British Foot Battery, of six guns each, were attached to COOKE's Division. All the above Batteries were posted in Front Line; as was also Lieutenant Colonel Sir HEW ROSS's British Horse Battery (from the Reserve), of six guns, which was posted on the height immediately in rear of La Haye Sainte, and near the intersection of the Wavre road with the Charleroi high road, in which latter two of its guns were stationed. Major SYMPHER's King's German Horse Battery, and Captain BOLTON's British Foot Battery, of six guns each, were attached to CLINTON's Division. The remaining Horse Batteries were with the Cavalry. They were (exclusive of Lieutenant Colonel Sir ROBERT GARDINER's already mentioned) Major BULL's of six howitzers; Lieutenant Colonel WEBBER SMITH's of six guns; Major WHINYATES's of six guns, and provided with rockets; Captain MERCER's of six guns; and Major RAMSAY's of six guns. Captain PETTER's Dutch-Belgian Horse Battery of eight guns, was attached to COLLAERT's Cavalry Division. The Dutch-Belgian Horse Battery under Captain VAN DER SMISSEN, and Foot Battery under Captain LUX, of eight guns each, were with CHASSÉ's Division at Braine l'Alleud. The Brunswick Horse Battery, under Captain HEINEMANN; and Foot Battery, under Major MOLL, of eight guns each, were with the Brunswick Corps. The British Horse Battery under Major BEANE, and Foot Battery under Captain SINCLAIR (belonging to the Sixth Division), as also the Hanoverian Foot Battery under Captain BRAUN, all three having six guns each, were in reserve near Mont St Jean. The whole of the Batteries were engaged in the Front Line, more or less, during the course of the Battle. * * * * *