This case deserves to be recorded not only because of its own clinical interest, but also because it exemplifies so well the modern method of coordinated team work in the study and treatment of an obscure case. The hospital records of the case include contributions from a variety of sources, each of help in arriving at the final diagnosis or in the treatment. Some might perhaps have been dispensed with and short cuts taken, but only at the expense of thoroughness and certainty. REPORT OF CASE A man, aged 38, of Polish birth, was primarily referred in March, 1925, by Dr. C. E. Ervin of the Geisinger Memorial Hospital of Danville, Pa., to Dr. C. H. Frazier in the surgical clinic of the University Hospital. The patient, in November, 1924, had had an illness which was probably acute epidemic encephalitis. The definite symptoms at that time had been pains in