>From Jackson's Oxford Journal, Saturday, February 28, 1852; Issue 5157. READING. SUDDEN DEATH. -- On Friday the 20th instant an inquest was held by the borough coroner and a respectable jury, on view of the body of Mary HIBBERT, aged 52, who, the same morning, while in the house of her sister-in-law, suddenly fell back in the chair and instantly expired. Mr. VINES, surgeon, was of the opinion that death was caused by a disease of the heart. A verdict in accordance with the medical testimony was therefore returned by the jury.