Small-pox. Sixth. The frequent, and often long continued nurfing; the extreme anxiety which all parents must feel, although every precaution be made ufe of, because the iffue of the difeafe is at all events precarious, must forcibly contrast the two diseases.

Seventh. The Small-pox, it is agreed, often calls into existence the dormant germs of disease, or so alters the conftitution of the patient, that it more readily receives fuch impreffions, as difpofe to various diseases, as fcrofula, white fwellings, confumption, ophthalmia, blindness, and many

Vaccine.

Nurfing, anxiety, and death are almost equally fstrangers to the Vaccine. Death, we may confidently affirm, has never employed the Vaccine as a befom of deftruction.

As much as we know of the Vaccine, we find it efficacious in frequently removing many formidable complaints, and in benefiting a weakly conftitution.

more.

Editor.

In the autumn of 1803, about the period of the fall of the leaves, I trimmed fome peach trees (which I had fet out the preceding spring), of fome of their fuperfluous twigs, which were thrown carelessly down on the border behind the trees. These twigs were foon after covered, unintentionally, with dirt and manure, leaves of trees, &c. (which I threw over the borders) to the depth of, perhaps, fix inches and more, so as to be below the depth to which the froft penetrated during the winter. The following spring (1804) in digging up the borders, I turned up the twigs above mentioned, and was much furprised to find them of a rich luxuriant green appearance; fo much fo, as to induce a belief that if planted, they would vegetate. Accordingly I fet about twenty of them in my bor

ders, and was pleased to find that the buds of fix or eight of them began to fwell in a few days, before the parent stocks had affumed a difpofition to open. The remainder I had fet, died, being the fsmallest and weakest of the number. Thefe fix or eight took root, and grew very finely, till they were pulled up and destroyed by my children, with the exception of one, which was more concealed from view, by other plants which came up before it. This grew very finely, and fo continued to do during the fummer, without any particular care of mine. I expected it would probably die during the heat of fummer, but was agreeably disappointed, in finding it increase as luxuriantly as the other peach trees in my garden. This fpring (1805) I took it up, to place it in a more convenient fituation, and found a very fine root shooting deep into the ground, from the end, where it had been feparated from the parent tree. Several vigorous lateral roots alfo had fhot out from above this part to its exit from the earth. It is now growing very finely, and would have been about thrice its original length, had I not cut off the upper part, which had died to nearly a foot in length, from the feverity of the winter's cold.

This is, as far as I know,* a new fact in the cultivation of the peach tree, and may, perhaps, lead to fome useful improvement of this valuable tree. It appeared to me, the root was much stronger than it exists in young trees cultivated from the ftone, which is of fome confequence, as it may not be fo readily destroyed by the worm, as when the root is more tender. It poffeffes alfo the advantage of not requiring a fucceffion of ftocks to graft on, as it must doubtlefs poffefs all the properties of the tree from which it is taken, and perhaps may be found to bear fruit at an earlier period. Experiment will eafily afcertain the most favourable period for raising the peach from

* Since writing the above, on mentioning the fact to a gentleman of my acquaintance, he informed me that the propagation of the peach from cuttings, by a clergyman in England, had fucceeded; though nineteen of twenty died in the attempt. The fact, however, related above, may, perhaps, serve to throw fome light on the best method of effecting so desirable an end.

cuttings, as well as all the circumftances necessary to insure fuccefs. It is with a view to this point, that I have thought a statement of the fact might prove useful. Editor.

There exifts in the animal economy feveral inftances of the influence which takes place between organs that are not contiguous to one another; one of the most remarkable instances of this kind is the fympathy which fubfifts between the testicles, and the organs of voice. The larynx is obferved to develope itself in several animals during the rutting season, and the smallnefs of the larynx, the narrowness of the glottis, and the fhrill voice, coincide with the state of the inactivity which the tefticles show before the approach of puberty. This period however being arrived, the organs for feminal fecretions are developed, and become active, while, at the fame time, the larynx rapidly increases in males, and the voice takes that grave found which makes one of the characters of virility. But, on the contrary, when the testicles are cut away before this period, the fource of the phenomena which characterise it vanishes, and the organs of voice remain in a state of imperfection. Mr. Dupuytren has lately had an opportunity of confirming the justnefs of the obfervation by diffecting the larynx of a man who had been caftrated in his infancy, as he found this organ to be one-third lefs than it is met with in most men of the fame age and habit. The glottis was very narrow, and all the organs of voice rather refembled thofe of a woman, or a youth before the period of puberty. Medical and Phyfical Journal.

Mr. Buchholz has made fome experiments on the hydrargyrus muriatus mitis (mercurius dulcis). The common method of preparing this falt is by fublimation of feven parts of mercury and three parts of oxygenated muriat of mercury; the precipitation adopted by Scheele having been laid afide, because apo

1

thecaries are of opinion that this production on being mixed with lime water or alkaline folutions does not fufficiently blacken those substances. The author, therefore, examines whether these productions be really different from one another. For this purpose equal parts of mercury and of nitric acid are mixed together, and left for some time in the cold; it is then exposed to a gentle heat in a fand bath till it begins to boil, after which the liquor is poured, whilst hot, into a solution of muriat of foda, that contains equal parts of this alkali, and mercury. The precipitate obtained by water faturated with fal ammoniac or muriat of ammonia, is boiled and carefully wafhed; a copious production is obtained; and the author proves, by a series of experiments, that it does not differ from that obtained by corrofive fublimate; this method alfo appears to him more advantageous, and lefs dangerous than that by fublimation.

Ibid.

M. Portalez, a phyfician of Andufe in France, relates a cafe that lately occurred in a village in France, where death took place in a child fix years of age, from the application to the head of arfenic mixed with olive oil, for the purpose of destroying vermin. A few hours after the application had been made, the child was seized with violent pain in the head, with frequent vomiting. A general fwelling came on over the body, and the skin was covered with spots of a violet colour; the pulfe became weak and creeping; a cold and clammy sweat broke out on the head and cheft, with convulfive motions of the muscles of the face. Death took place in a few hours. Med. Chirurg. Rev.

Dr. Andrew Ferguson of Aberdeen, ftrongly recommends the fulphat of foda poultice in chancre, and its efficacy is confirmed by Mr. T. Peaal.---Dr. Ferguson relates its fuccefs in a