Jonathan Couch remains. The "History of Polperro", (1871), issued after his death by his son, T. Q. Couch, is his chief work in this department. The stories in this book were re-used by Louisa Sarah Ann Parr in her successful novel about smuggling titled "Adam and Eve". Couch left three sons by his second wife: Richard Quiller, Thomas Quiller (father of Sir Arthur Quiller-Couch), and John Quiller, who all became surgeons (Quiller being their mother's maiden name and Quiller's House the family residence). Thomas practised successfully at Bodmin, and died on 23 October 1884, aged 58. He was a constant contributor to
Richard Quiller Couch Bell's "British Stalk-eyed Crustacea," 1853. Couch was also interested in Cornish geology, and did useful work in developing the difficult subject of Cornish fossil remains. From 1848 onwards he was curator of the Royal Geological Society of Cornwall, and contributed to its "Transactions" several valuable papers, as well as annual reports. The diseases of the Cornish miners were a subject of his careful investigation, and his papers on the mortality of miners in the "Polytechnic Reports" (185760) are, as far as they go, of permanent value; they were translated into French. Couch died, in the full vigour of his powers,