A Summary of Recent Studies on Equine Encephalomyelitis.

IN connection with the studies on poliomyelitis and epidemic ence-phalitis of man, it has frequently appeared to be advantageous to investi-gate the various types of epidemic en-cephalomyelitis as they occur in the animal kingdom. Important relations between Borna disease of horses and human encephalitis have been establish-ed through the neuropathological stud-ies of Seifried and Spatz,1 Nicolau and Galloway2 and others. A rare oppor-tunity was afforded to establish the ex-istence of a new virus disease in horses and mules which made its appearance in California during the summer and