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carefully weighed and the resistance adjusted, until the deflection of the galvanometer needle corresponded exactly with that obtained in actually extracting a hair; the current was allowed to flow continuously for precisely two hours, the galvanometer bebeing watched to varify its constancy and uniformity.

At the expiration of this time it was ascertained, by re-weighing, that the anode had lost and the cathode had gained just onehalf grain in weight. This reduced to milligrams gane 32.46786 milligrams.

The practical unit of current, an ampere, will transfer 0.338 milligrams of zinc for each second that it acts; dividing the weight of zinc transferred in two hours by 7200, the number of seconds in two hours, and the quotient by 0.338, the weight one ampere will transfer in one second, it was ascertained that the current flowed at the rate of 0.0133 ampere, and that in thirty seconds 0.399 coulombs of electricity had been consumed to produce complete electrolysis of one hair follicle.

The following are some of the cases treated by me, representing as they do a variety of conditions: Case 1.

Aged 27, German, blonde, housewife; a large pigmentary mole situated left side of lower jaw containing twenty-one hairs. These I removed at one sitting; upon seeing her again found that the mole had also disappeared leaving a slight scar, which has also since disappeared. Case 2.

German, aged 65. Three filiform warts situated upon upper eyelid of left eye, which were a source of annoyance from frequent bleeding. I passed a needle through each of these and with it a current of six elements; in three days they had dropped off without suppuration, with no evidence of return.

Case 3. Aged 42, American, brunette. Had quite a growth of long black hairs upon chin; those upon right side of chin were removed with but little pain; but upon left side of chin she seemed to have such great hyperästhesia of skin that only eight or ten could be removed at a sitting, but she is determined and return's every day; thus far I have removed about two hundred hairs.

Widow, aged 40, brunette, American, whose neck is spotted with numerous tufts of short, very coarse hairs; in this case I remove about thirty at a sitting.

Married lady, aged 40; had quite a moustache, espe

Case 4.

Case 5.

Case 10.

cially at the angle of the mouth; these were removed without difficulty, and in four sittings.

Case 6. Married, age 50. Several pigmentary naevi on each cheek, thickly covered with unusually long hair; these I destroyed by passing the current from twelve cells along the base, they having been transfixed by the needle. This operation was performed three times at intervals of two days. One week after, they had disappeared.

Case 7. Age 24, married, daughter of Case 6. Had two of these naevi situated almost identically with those of the mother, but were very much smaller and with fewer hairs. I removed the hairs from both at one sitting, and with them the naevi without leaving any scar.

Case 8. Married lady, German, age 52. Mole upon the right side of face near the angle of the jaw, containing about twenty hairs. These were removed at one sitting, and the mole also disappeared.

Case 9. Daughter of Case 8, similarly afflicted. In her case also I destroyed these moles in same time as with the mother.

Married, Irish, age 30. Had ten long coarse hairs growing from pigmentary naevi, situated upon the nasal septum just within left nostril; these, in their removal, caused no pain, neither did there seem to be any inflamatory action following: Case 11. Age 19, unmarried.

Several filiform warts upon different parts of shoulders, preventing full dress toilette; these were removed without trouble, by passing a current of electricity from six cells through the base. Case 12.

Blonde, age 20, married, niece of Case 9. Pigmentary naevi on right cheek from which was growing numerous long light hairs; these were removed at one sitting of a half hour. The next week, finding part of the nacvi remaining, transfixed it with one of the platinum needles, and passed a current from seven elements for five minutes, causing it to disappear, leaving neither spot nor blemish.

Male, age 30, American. Came to me with a common wart on head, which was always sore on account of use of comb. This I destroyed by a current of ten minutes duration from seven cells.

Case 14. Girl, age 9 years. Had one common kind of wart on the hand, which after a current from six cells for ten minutes, as the mother says, just disappeared without pain or any irritation.

Case 13.

Case 15.

American, aged 30 years, which is the most pronounced case of hirsutes that I have had, being a genuine growth of about fifteen hundred hairs around the chin and neck. This woman I operate upon twice a week, removing from forty to fifty hairs at a sitting. In this case I have been the longest, and have had, I think, the greatest return of hair, on account of (I think) the tortuous hair follicles; also, to some extent, my want of experience, it being the first case that I had, though not so numbered, and of late I believe the per cent. of hairs that return is very much less, at least there is a decidedly noticeable diminution in the appearance of the beard.

Case 16. This young man came to me with an inflamed hemorroid, involving both skin and mucous membrane. This tumor was made to diminish noticeably by the passage of electricity from ten cells for eight minutes at two sittings four days apart.

EYE AND EAR TROUBLE DUE TO DENTAL

IRRITATION.

By W. Edwin GROUND, M. D., Ph. D., Toledo, O.

It has probably occurred to almost all eye and ear surgeons that there exists an intimate relation between the teeth and the eye and ear.

I have been very much interested in this subject, as I have met with several cases which convince me beyond a doubt that the eye and ear may suffer fundamental and even structural lesions by continous irritation in the oral cavity. I will relate briefly two cases which have occurred in my private practice within the last two years.

Miss K., aged 16, had been almost blind in the right eye for several months. Her family had been treating her with tonics for two or three months, but no improvement of the vision followed. Her menstruation was regular and without pain. She was referred to me in November, 1884, by Dr. Nolen, of this city. We examined her thoroughly but could find nothing in her general constitution to account for the blindness in her right eye. Ophthalmascopic examination gave an almost negative result. I finally had my attention called to her mouth by her remark that she occasionally noticed a little pain shoot up the side of her face. I examined her mouth and found the first superior bicuspid on the right side badly ulcerated with a sinus discharging a thick pus from the apex.

She also had a decayed molar on same side. I accordingly sent the patient to Dr. J. O. Barber, dentist, and had the teeth extracted. Within two days her vision had so improved that she could count fingers at four feet. Her sight kept on improving until to-day she can see almost as good as with the

other eye.

In January, 1885, a young lady came to my office suffering from a severe pain in the left side of the face, resulting from a decayed upper molar on the same side.

She had become so cross-eyed that she could hardly get around, everything appeared double. I advised her to have the tooth out, which she did.

The result was a speedy disappearance of the squint. In about two months after, she again called at my office in a worse plight than ever, having a severe neuralgia of the face and paralysis of the upper eyelid together with external squint paralysis of accommodation and dilatation of the pupil in left eye. Another decayed left upper bicuspid tooth was removed, and within a week she could again see to resume her work.

I could relate other cases, particularly of earache in children from infancy to seven or eight years of age, the result of oral and dental irritation. Reflex irritation in the infantile mouth produces an inflammation of the middle ear, and earache is the result. The inflammatory products collect in the ear until the drumhead probably gives away and the child gets relief. There are but few cases - of ear disease and deafness in infancy but what are produced or aggravated by the cutting, decay and ulceration of the first teeth. I am prepared to say, without fear of successful contradiction, that many affections of the teeth lead to most grave and intractable diseases of the regions and organs intimately connected by the nerves therewith, which are often suffered to be long unattended before they are brought under appropriate treatment.

Thus an eye, ear or throat difficulty may become finally scated, or a neuralgia, which renders life intolerable, established. The teeth are a prolific source of nervous diseases for sufficient reasons, viz: their development and decay, ill usage by improper foods and drinks, and the lack of cleanliness, etc., are all sources of greater or less irritation. The mouth, moreover, being abundantly sup plied with nerves and blood vessels which are distributed to its extensive mucous lining, is highly sensitive to all these influence, COCAINE IN DELIRIUM TREMENS.

By E. S. McKEE, M. D., Cincinnati.

It was with pleasure and profit that I listened to the report of a case of the cocaine habit by Dr. Louis Bauer, of St. Louis, at the last meeting of the Mississippi Valley Medical Society. The Doctor's case was that of a confirmed drunkard, with a strong inherited taste for liquor, who was given cocaine hypodermically to allay his thirst for the beverage. He obtained marked relief, but contracted the cocaine habit. Dr. Bauer reports very fully on the physiological action in his patient. This report

This report * was highly interesting, and I am only sorry that mine is not so favorable to to the remedy.

My patient, an American, small of stature, æt. 37. His family history revealed the fact that his father and his father's father had died from drink. His mother and only brother were confirmed drunkards, and he had been literally “brought up on the bottle. The patient and his four relatives named had all suffered one or more attacks of delirium tremens. Some two months ago he fell heir to a small fortune which, in the language of his mother, "made him sick." He had been drinking hard ever since. At the last of those annual nuisances, the October election, he filled up and went down into the 19th ward to help out the party. He came back with a broken head, which was followed by a light case of delirium tremens. This succumbed promptly to chloral, and he was sent out of town. He returned in a week much worse than before.

He improved under the same treatment, but suffered almost daily relapses on account of receiving whisky from his mother. I determined to try cocaine, hoping to relieve him of an almost intolerable desire for drink. Gave first hyperdermically 10 drops of a 10 per cent solution equal to one grain. This was followed by no appreciable change in the pulse, temperature or respiration. Slight dilatation of the pupils was noticed. The face was slightly flushed, and the patient had a sense of comparative comfort; he saw no visions and talked rather more than usual. He however obtained no sleep, and at the end of two hours experienced a feeling of increased thirst, discomfort, pain and restlessness. I was called and gave him a second injection of 15

* See St. Louis Weekly Medical Review, Sept. 19, 1885; Journal American Medical Association, Chicago, Oct. 3, 1885; Philadelphia Medical and Surgical Reports, Oct. 3, 1885.

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