But besides, or instead of, the more or less expansive symptoms ust described there may be other, and differently associated, changes in the moral, emotional, and intellectual faculties; in the conduct, demeanour, energy, and outward life generally. Thus, in one group, differing from those already described, the prevailing characters are mental confusion, failure of perception, silly childishness, stupidity, forgetfulness, beavi ness of head, drowsiness, and incapacity for the usual avocations. If there have been prodromic sensations as of being stunned or vertiginous, they may continue. The forgetfulness and general mental failure, and possibly a sensory failure, may occasionally display themselves in foul or uncleanly habits. Moreover, outbursts of some excitement, of insubordination, or even of destructiveness.