Was Surgeon to the Stafford County Infirmary, and died in retirement at 93 Kingsdown Parade, Bristol, on May 21st, 1861. Publications:- Hughes wrote books on the "Natural Diversities of Man" and on "Consumption".

Born in Queen Street, Glasgow, on April 29th, 1791, the son of James Mackenzie, a muslin manufacturer (d1800). He was educated in the Glasgow Grammar School and University, and began to study divinity with the intention of becoming a minister of the Church of Scotland. In 1810 he turned to medicine,