A Strange Parasite of Man

morning of the 13th November I was hurriedly called in to see him. He had after much coughing and sneezing evacuated a worm-like creature from his nose, and this had been thrown on the floor, where it looked like a small mass of muco-purulent nasal secretion with a streak of blood along it. In due course however it uncoiled itself to a length of about one inch and began to move very slowly. At first sight I thought it to be a myriapod, as it had innumerable legs on both sides. When it was crawling straight the legs touched the floor, but when it moved in a serpentine way the legs were held up. As soon as it was put into a tumbler of water it began to swim about vigorously and gracefully, shewing clearly that its nature was aquatic. At its dorsum along the middle line what was taken to be