Paper, 'Of the obstruction of the billiary ducts, and an imposthumation of the gall blader [sic] discharging upwards of 18 quarts of billious matter in 25 days, without any apparent defect in the animal functions' by Claude Amyand Amyand writes about the autopsy of a 50-year-old man who had died of a vesica fellis [gallbladder] abscess. He was found to have a biliary duct obstruction and a distended gallbladder. Amyand explains the man's medical history and treatment for an abscess in his abdomen that continually discharged large amounts of bile and lymph. Two figures attached. Subject: Physiology / Medicine Published in Philosophical Transactions as 'Of an obstruction of the biliary ducts, and an impostumation of the gall-bladder, discharging upwards of 18 quarts of bilious matter in 25 Days, without any apparent defect in the animal functions'. Read to the Royal Society on 14 June 1733. [1733]