rest ▁formed ▁a ▁def ensive ▁line ▁of ▁dis mount ed ▁tro op ers ▁to ▁stem ▁the ▁t ide . ▁Cro xt on ▁halt ed ▁his ▁advance ▁because ▁he ▁was ▁uns ure ▁of ▁For rest ' s ▁strength . ▁For rest ▁requested ▁rein for c ements ▁from ▁B rag g ▁and ▁Walker ▁near ▁Alexander ' s ▁Bridge ▁and ▁Walker ▁ordered ▁Col . ▁Claud ius ▁Wilson ' s ▁brig ade ▁forward ▁about ▁ 9 ▁a . m ., ▁hitting ▁Cro xt on ' s ▁right ▁fl ank . ▁For rest ▁protected ▁his ▁own ▁right ▁fl ank ▁by ▁deploy ing ▁the ▁brig ade ▁of ▁Col . ▁George ▁D ib rell , ▁which ▁ran ▁into ▁Van ▁Der ve er ' s ▁brig ade ▁and ▁came ▁to ▁a ▁halt ▁under ▁fire . ▁For rest ▁sent ▁in ▁Brig . ▁Gen . ▁Matthew ▁E ctor ' s ▁brig ade , ▁part ▁of ▁Walker ' s ▁Reserve ▁Corps , ▁but ▁without ▁Walker ' s ▁knowledge . ▁E ctor ' s ▁men ▁replaced ▁D ib rell ' s ▁in ▁line , ▁but ▁they ▁were ▁also ▁unable ▁to ▁drive ▁Van ▁Der ve er ▁from ▁his ▁position . ▁ ▁Bran nan ' s ▁division ▁was ▁holding ▁its ▁ground ▁against ▁For rest ▁and ▁his ▁inf antry ▁rein for c ements , ▁but ▁their ▁am mun ition ▁was ▁running ▁low . ▁Thomas ▁sent ▁B air d ' s ▁division ▁to ▁assist , ▁which ▁advanced ▁with ▁two ▁brig ades ▁forward ▁and ▁one ▁in ▁reserve . ▁Brig . ▁Gen . ▁John ▁King ' s ▁brig ade ▁of ▁U