Early in 1914, Van Cott and Lintz1reported the finding of actively motile larvae in the spinal fluid of a patient with trichinosis. Since that time their findings have not been confirmed until the finding of the larvae in the case herewith submitted. History. —A. K., man, aged 19, a laborer, entered my service in the medical ward of the Cook County Hospital, Oct. 29, 1915, stating that he had had pains in the muscles of the arms and legs for four weeks, and that he was unable to straighten them out. At the time of the onset of his sickness he noticed a slight edema of the eyelids which lasted three days. Severe drenching sweats and periods of chilliness and fever had been present for one week. On the night before entrance to the hospital he had a slight nosebleed. He did not complain of any gastrointestinal distress