"In a letter to his sister Caroline, CD wrote: I had sealed up the first letter, all ready to be sent off during my absence: but no good opportunity occurred so it & this will go together. ??? I take the opportunity of Maccormick returning to England, being invalided, i.e. being disagreeable to the Captain & Wickham. ??? He is no loss. ??? Derbyshire is also discharged the service, from his own des" . . . . .