Note 139 — Chapter XVII
Reading edition
Though objecting to the name, which involves a theory, it appears to me, after long inquiry, to be the action of an abnormal state of the brain, which renders it, to an unknown and as yet undefined extent independent of the external senses. It is less powerful in the sanguine or lymphatic Englishman than in the peoples of Continental Europe; and is most remarkable in the highly nervous temperament of the Anglo-American.