 His force pressured elements of Saint Cyr's thinly manned line, and the entire line fell back slowly, to maintain contact with its flanks.Maximilian, Count of Merveldt's force, attacking on Saint Cyr's far left flank, continued to pressure the line, which started to crumble.Further south, Olivier, Count of Wallis took a column of 18 battalions and 42 squadrons and attacked the Adjutant General François-Xavier Octavie Fontaine's French line at Riedhausen, between Ostrach and Ferino's column at Salem.