III. Phlogistici. Fevers from local inflammation.
IV. Dolorosi. Painful diseases without fever.
V. Mentales. Diseases in which the functions of the mind are disturbed.
VI. Quietales. Diseases in which the voluntary and involuntary motions and the senses are impaired.
VII. Motorii. Diseases attended with involuntary motion of parts whose action is ordinarily under the influence of the will.
VIII. Suppressorii. Diseases characterized by oppression of the organs, or impeded excretions.
IX. Evacuatorii. Diseases attended with increased excretion.
X. Deformes. Diseases causing deformity of the body, or change of colour in the skin.
XI. Vitia. Cutaneous, external, or palpable diseases.
Systems of nosology are no doubt useful or convenient, in the same manner as systems of zoology and botany; but so complicated are the phenomena of Nature, and so diversified her productions, that no arrangement, made according to any principles hitherto assumed, can possibly discriminate objects in conformity with all their connexions. If this remark required illustration, it might readily be afforded by the mere inspection of any one of the Linnæan classes or orders. Thus, in the class Vitia there are eight orders.