▁had ▁formed ▁a ▁bond ▁while ▁tre ating ▁their ▁class m ates ▁during ▁a ▁ty ph oid ▁out break ▁on ▁campus . ▁ ▁By ▁ 1 8 6 3 , ▁the ▁Jefferson ▁and ▁Washington ▁chap ters ▁merged , ▁as ▁most ▁members ▁had ▁en list ed ▁to ▁fight ▁in ▁the ▁American ▁Civil ▁War . ▁ ▁K appa ▁Ph i ▁L ambda ▁In ▁ 1 8 6 2 , ▁the ▁K appa ▁Ph i ▁L ambda ▁frat ern ity ▁was ▁founded ▁at ▁Jefferson ▁College . ▁It ▁dissol ved ▁in ▁ 1 8 7 4 . ▁ ▁The ▁two ▁surv iving ▁frat ern ities ▁are ▁col lo qu ial ly ▁referred ▁to ▁as ▁the ▁Jefferson ▁Du o . ▁ ▁Ph i ▁D elta ▁K appa / Phi ▁G amma ▁D elta ▁ ▁In ▁ 1 8 7 4 , ▁a ▁fourth ▁frat ern ity ▁was ▁founded ▁at ▁W & J , ▁when ▁the ▁national ▁I ota ▁Al pha ▁K appa ▁structure ▁dissol ved , ▁allowing ▁the ▁W & J ▁chapter ▁to ▁reconst itute ▁itself ▁as ▁a ▁new ▁frat ern ity , ▁Ph i ▁D elta ▁K appa . ▁ ▁The ▁new ▁frat ern ity ▁grew ▁to ▁several ▁chap ters ▁before ▁falling ▁apart ▁in ▁ 1 8 8 0 . ▁ ▁In ▁ 1 8 8 1 , ▁the ▁W & J ▁chapter ▁joined ▁Ph i ▁G amma ▁D elta , ▁rec laim ing ▁the ▁" Alpha " ▁design ation ▁that ▁had ▁belonged ▁to ▁the ▁found ing ▁chapter ▁at ▁Jefferson ▁College . ▁ ▁Mid ▁to ▁Late ▁ 1