2 5 ▁April ▁ 1 8 6 1 , ▁at ▁the ▁beginning ▁of ▁the ▁Civil ▁War , ▁Ag n us ▁en list ed ▁in ▁D ury ée ' s ▁Z ou aves . ▁At ▁the ▁Battle ▁of ▁Big ▁Beth el , ▁he ▁saved ▁the ▁life ▁of ▁Captain ▁Jud son ▁Kil pat rick , ▁and ▁was ▁soon ▁promoted ▁to ▁ser ge ant , ▁ 2 nd ▁lieutenant , ▁and ▁ 1 st ▁lieutenant . ▁In ▁the ▁Pen ins ula ▁Camp aign , ▁Ag n us ▁led ▁the ▁charge ▁at ▁Ash land ▁Bridge , ▁and ▁was ▁sever ely ▁wounded ▁in ▁the ▁shoulder ▁at ▁the ▁Battle ▁of ▁G aines ' s ▁Mill . ▁D ury ée ' s ▁Z ou aves ▁were ▁next ▁station ed ▁in ▁Baltimore , ▁Maryland , ▁on ▁Federal ▁Hill , ▁where ▁the ▁wounded ▁Ag n us ▁was ▁b illet ed ▁on ▁Charles ▁C . ▁F ult on , ▁publish er ▁of ▁the ▁Baltimore ▁American . ▁It ▁is ▁sur m ised ▁that ▁it ▁was ▁during ▁this ▁time ▁that ▁he ▁met ▁his ▁future ▁wife , ▁F ult on ' s ▁daughter ▁An nie . ▁He ▁helped ▁raise ▁four ▁companies ▁of ▁the ▁ 1 6 5 th ▁New ▁York ▁Infantry ▁Regiment , ▁in ▁which ▁he ▁was ▁given ▁the ▁captain cy ▁of ▁the ▁color ▁company . ▁ ▁In ▁late ▁ 1 8 6 2 ▁his ▁regiment ▁was ▁sent ▁to ▁Louisiana , ▁and ▁he ▁took ▁part ▁in ▁the ▁Sie ge ▁of ▁Port ▁Hudson ▁where ▁he ▁was ▁promoted ▁to ▁major ▁and ▁for ▁a ▁time ▁had ▁command ▁of ▁his