During the war there was observed among British troops a form of polyneuritis of a peculiar character which has been studied with noteworthy results by Bradford, Bashford and Wilson.1 The clinical manifestations were studied by Bradford in thirty cases.2 Usually there was first a mild general febrile illness before paralysis appeared, but occasionally paralysis was the first symptom observed. As the primary illness was mild, the symptoms being fever, headache, pain in the back, perhaps vomiting, and sometimes sore throat, no importance as a rule was ascribed to it; at times, however, the condition seemed serious enough to suggest perhaps the possibility of epidemic meningitis. Usually the patient appeared to recover fully in a few days, and then there ensued a variable period of latency, in one case as long as five weeks, before the paralysis which seems to be peculiar to the disease came on. During this