A philosophic and sufficient nomenclature for the various forms of Insanity is still a desideratum, and must, I fear, remain so, until the physiology and pathology of the brain are better understood, and the relationship of mental with cerebral phenomena more accurately determined. A perfect nomenclature for disease, one which could not well be improved, is a rare thing; for to be perfect it should not only indicate the exact seat of the disease, but should also bear upon its face a description of the malady from which the organ or tissue is suffering.