2. Chorea Sancti Viti; or St. Vitus's dance. This strange disease, in which the muscles of the body are not always at the command of the patient, and in which the head, the arms, the legs, and indeed every part which is made for muscular motion often jerks about in a very singular manner, is sometimes produced in the same way. Insanity and this disease are occasionally combined. I have known one young man in this terrible condition, and have read authentic accounts of others.

3. Epilepsy. Epileptic or falling sickness fits, as they are sometimes denominated, are another very common scourge of secret vice. How much they are to be dreaded almost every one can judge; for there are few who have not seen those who are afflicted with them. They usually weaken the mind, and sometimes entirely destroy it. I knew one epileptic individual who used to dread them more than death; and would gladly have preferred the latter.

4. Idiotism. Epilepsy, as I have already intimated, often runs on to idiotism; but sometimes the miserable young man becomes an idiot, without the intervention of any other obvious disease.

5. Paralysis or Palsy, is no uncommon punishment of this transgression. There are, however, several forms of this disease. Sometimes, a slight numbness of a single toe or finger is the first symptom of its approach; but at others a whole hand, arm, or leg is affected. In the present case, the first attacks are not very violent, as if to give the offender opportunity to return to the path of rectitude. Few, however, take the hint and return, till the chains of their slavery are riveted, and their health destroyed by this or some other form of disease. I have seen dissipated young men who complained of the numbness of a finger or two and the corresponding portion of the hand and wrist, who probably did not themselves suspect the cause; but I never knew the disorder permanently removed, except by a removal of the cause which produced it.

6. Apoplexy. This has occasionally happened; though more rarely.

7. Blindness, in some of its forms, especially of that form usually called gutta serena, should also be added to our dark catalogue. Indeed a weakness of sight is among the first symptoms that supervene on these occasions.

8. Hypochondria. This is as much a disease by itself as the small pox, though many regard it otherwise. The mind is diseased, and the individual has many imaginary sufferings, it is true; but the imagination would not be thus unnaturally awake, if there were no accompanying disturbance in the bodily functions. Hypochondria, in its more aggravated forms, is a very common result of secret vice.

9. Phthisis, or consumption, is still more frequently produced by the cause we are considering, than any other disease I have mentioned. And we know well the history of this disease; that, though slow in its progress, the event is certain. In this climate, it is one of the most destructive scourges of our race. If the ordinary diseases slay their thousands, consumption slays its tens of thousands. Its approach is gradual, and often unsuspected; and the decline to the grave sometimes unattended by any considerable suffering. Is it not madness to expose ourselves to its attacks for the shortlived gratifications of a moment?

There is indeed a peculiar form of this disease which, in the case in question, is more commonly produced than any other. It is called, in the language of physicians, tabes dorsalis, or dorsal consumption; because it is supposed to arise from the dorsal portion of the spinal marrow. This disease sometimes, it is true, attacks young married people, especially where they go beyond the bounds which the Author of nature intended; and it is occasionally produced by other causes entirely different; causes, too, which it would be difficult, if not impossible to prevent. Generally, however, it is produced by solitary vice.

The most striking symptom of this disease is described as being a 'sensation of ants, crawling from the head down along the spine;' but this sensation is not always felt, for sometimes in its stead there is, rather, a very great weakness of the small part of the back, attended with pain. This is accompanied with emaciation, and occasionally, though not always, with an irregular appetite. Indeed, persons affected with this disease generally have a good appetite. There is usually little fever, or at most only a slight heat and thirst towards evening, with occasional flushings of the face; and still more rarely, profuse perspirations in the latter part of the night. But the latter symptom belongs more properly to common consumption. The sight, as I have already mentioned, grows dim; they have pains in the head and sometimes ringing in the ears, and a loss of memory. Finally, the legs become weak, the kidneys and stomach suffer, and many other difficulties arise which I cannot mention in this work, followed often by an acute fever; and unless the abominable practice which produced all the mischief is abandoned, death follows. But when many of the symptoms which I have mentioned, are really fastened upon an individual, he has sustained an injury which can never be wholly repaired. All he can hope is to prolong his days, and lengthen out his life—often a distressing one. A few well authenticated examples of persons who debased themselves by secret vice, will, I hope, satisfy those who doubt the evils of this practice.