55th Regiment of Foot

The Border Regiment

Chronology

1755 raised in Stirling by George Perry as the 57th Regiment of Foot
1757 re-ranked as the 55th Regiment of Foot
1782 became the 55th (Westmorland) Regiment of Foot
1881 amalgamated with the 34th (Cumberland) Regiment of Foot to become the 2nd Battalion The Border Regiment
1959 amalgamated with The King's Own Royal Regiment (Lancaster) to become 2nd Battalion, King's Own Royal Border Regiment as part of the King's Division
2006 merged with the other regiments of North West England to become 3rd Battalion The Duke of Lancaster's Regiment (King's Lancashire and Border)

Wikipedia:

Other 1st Battalion 55th Regiment of Foot Regiments.org (archived site) Historical Books Online:

A historical account of the services of the 34th & 55th regiments, the linked line battalions in the 2nd or Cumberland & Westmorland subdistrict brigade, from the periods of their formation until the present time by George Noakes 1875 Archive.org. Note content is only given for first three and a bit chapters and the history of the two regiments is intertwined.The Regiment arrived in India in 1830 in Madras page 73, went to China in 1841 page 78, and left for Calcutta in 1863,page 143
Madras Quarterly Medical Journal Extensive reports by the Regimental Surgeon on the 55th's unhealthy stationing at Secunderabad in 1836/37. Google Books