“…In disseminated sclerosis and disseminated encephalomyelitis, Putnam (1936Putnam ( , 1937, Putnam and Alexander (1939) and Scheiriker (1943) emphasized the occurrence of thrombi in tbe smaller veins aud saw in the phenomenon the basis for the demyelination. Simon and Solomon (1935) and Simon (1942) found in disseminated sclerosis an increased coa^ilability of tbe blood when the patients received injections of adrenalin or typhoid vaccine. Marburg (1942), bowever.…”