1 3 th ▁New ▁York ▁Vol unte er ▁Caval ry ▁was ▁cons olid ated ▁with ▁the ▁ 1 6 th ▁New ▁York ▁Vol unte er ▁Caval ry ▁to ▁form ▁the ▁ 3 rd ▁New ▁York ▁Pro vis ional ▁Caval ry . ▁Col . ▁Nelson ▁B . ▁S we itzer , ▁command ing ▁officer ▁of ▁the ▁ 1 6 th ▁New ▁York , ▁was ▁appointed ▁commander ▁of ▁the ▁new ▁regiment . ▁ ▁The ▁ 3 rd ▁Pro vis ional ▁NY ▁Caval ry ▁was ▁honor ably ▁dis charg ed ▁and ▁must ered ▁out ▁on ▁September ▁ 2 1 , ▁ 1 8 6 5 , ▁at ▁Camp ▁Barry ▁near ▁Washington , ▁D . ▁C ., ▁having ▁lost ▁by ▁death ▁from ▁disease ▁and ▁other ▁causes , ▁four ▁en list ed ▁men . ▁ ▁See ▁also ▁List ▁of ▁New ▁York ▁Civil ▁War ▁reg iments ▁ ▁Notes ▁ ▁References ▁The ▁Civil ▁War ▁Archive ▁New ▁York ▁State ▁Military ▁Museum ▁and ▁V eter ans ▁Research ▁Center ▁- ▁ 3 rd ▁Pro vis ional ▁Regiment ▁of ▁Caval ry ▁– ▁Civil ▁War ▁ ▁Caval ry ▁ 0 0 3 ▁Category : 1 8 6 5 ▁establish ments ▁in ▁New ▁York ▁( state ) ▁Category : Mil it ary ▁units ▁and ▁form ations ▁established ▁in ▁ 1 8 6 5 ▁Category : Mil it ary ▁units ▁and ▁form ations ▁dis est ab lished ▁in ▁ 1 8 6 5 <0x0A> </s> ▁Mrs . ▁Richard ▁Br ins ley ▁Sher idan ▁( 1 7 8 7 ) ▁is ▁an ▁oil ▁on ▁canvas ▁portrait ▁painted ▁by