Obvious punctuation errors repaired.

Inconsistent hyphenation fixed.

Pp. 19 (twice), 57: Dost Mohamed -> Dost Mahomed.

P. 22: He proceded to Teheran -> He proceeded to Teheran.

P. 30: to be be applied -> to be applied.

P. 32: five brigades of of infantry -> five brigades of infantry.

P. 33: Burnes with with him -> Burnes with him.

P. 51: you own terms -> your own terms.

P. 85: salutatations were exchanged -> salutations were exchanged.