Glenmoriston after the battle of Culloden.

On his return to Edinburgh, Jackson married a lady of fortune, the
daughter of Dr Stephenson, and niece of his old friend Colonel
Francis Shelley, of the 71st regiment; and was enabled by this
accession to his means once again to visit Paris, where he not only
resumed his medical studies, but acquired the mastery of several
languages, Arabic amongst the rest. Having graduated M.D. at Leyden,
he came back again to England, and commenced practice at
Stockton-upon-Tees, in Durham. Although his reputation speedily
became considerable, especially in cases of fever, he seems scarcely
to have liked his new avocation. He found solace, however, in his
favourite study of languages, which he pursued with unremitting
ardour--constantly reading through the Greek and Latin classics, and
not only rendering himself familiar with the best works of the
modern continental authors, but also with the literature of the
Arabic, Persian, Hebrew, and Gaelic tongues. The _Bostan_ of Saadi
is said to have been one of his most favourite poems.

On the war breaking out in 1793, Dr Jackson--who, in 1791, had
published a valuable work on the fevers of Jamaica and continental
America--applied for employment as army-physician; but Mr Hunter,
the director-general of the medical department of the army,
considering none eligible for such employment who had not served as
staffer regimental surgeon, or apothecary to the forces, Jackson
agreed to accept, in the first instance, the surgeoncy of the 3d
Buffs, on the understanding, that at a future time, he should be
nominated physician as he desired. Mr Hunter, however, died soon
after this; and his promise was not fulfilled by the Board which
succeeded him in the medical direction of the army, and which