Manifested under this drug is a remarkable quickness of sensation, or of motion; the eyes snap and move quickly; pains come and go with great celerity; a pain may have lasted for some time, then in a second it is gone; may commence suddenly, slowly increase in severity till the height is reached, then in a second be gone. Much twitching and jerking of the muscles. Dull and sleepy, awake and half asleep. Mental.-- Dulness; delirious, with dulness; with raving and disposed to injure, strike, bite, etc.; calling to each other to kill them; also merry delirium. Moaning, it seems to relieve. Vertigo . Affections of the mind in general; of the intellect; fantastic illusions (brimful of fancies); imbecility; insensibility; madness. Memory quick; weak; lost.