548 struction and
use of the various parts of a complete microthe prominent nose, lustrous, protruding eye, retreating brow, hair of the boy. Her facial angle was entirely diffepoints out the subjects to which it may be advan- and silky her and her hair curling and even crisp, (were rent, eyes tageously applied, and describes the characters presented it not carefullysmall, looked after and parted into ringlets,) all which by most of the elementary structures and components of the point to an African rather than Asiatic origin. An examination body both in health and disease; and it further gives full infor- of the upper dental arch strengthened the impression first mation with respect to the different methods of preserving as made, its breadth and roundness, with a slight flattening in centre, bearing no small resemblance to that of the Negro, permanent objects the various animal tissues. Dr. Beale’s book the and which must, in the course of time, become more apparent describes the different kinds of cells, the methods of making when the jaw is fully developed.... Having already menthe cements various several the them, preservative fluids, and tioned that the object sought in examining the dentition of used for closing the cells, and contains a variety of other most these children was, in the absence of any positive evidence on useful information. the point, to afford an opinion as to their probable age, I may The great advantage of this work is its small compass, and shortly state the conclusion come to, and the means by which the simplicity of the descriptions, which are freed from all un- it was arrived at. The ages were judged to be about twelve years in the boy, and eight in the girl. In estimating them necessary detail and complexity. thus, the present stage of dentition in either case would Recent investigations have shown the importance of com- scarcely have warranted it were that to be relied on as positive bining a certain amount of chemical knowledge with the use evidence on the point. Other appearances were sought for, of the microscope, the one aiding powerfully the other. The and found tending to solve the difficulty.... In the absence of direct and positive evidence on the point, it is satisfactory to importance of this Dr. Beale has kept in view, and therefore learn t’ .:1t the above opinion is identical with that expressed treats of some of the principal reagents, and of the methods by one whose authority in such matters is of the greatest by which the chief constituents of some of the animal fluids, weight-viz., Professor Owen.-Dr. REID’S Observations on the especially the urine, may be detected. We strongly advise Dentition of the Lilliputian Aztecs. all young microscopists to acquire as much chemical inON THE INCREASED FREQUENCY OF THE PULSE AFTER formation as possible, for they will find it afford essential aid VACCINATION.—We are indebted to Dr. Tanner for the folin their investigations. lowing short abstract of a paper lately published at Vienna by Dr. Gustav Wertheim, on the Frequency of the Pulse and the is The work of Mr. Quekett an illustration of one of the Intensity of the Exudation in the Vaccine Process:-The sub. is of which the in when microscope capable many applications of experiment were a man, aged thirty-eight, and a woman jects able hands; Dr. Beale’s valuable production shows how to apply thirty-three years, both previously vaccinated, and neither the instrument, and in what direction researches should be pro- of whom had suffered from small-pox. The experiments were
scope ;
conducted in the wards of Professor Hebra, in Vienna. The results were these:—1st. The frequency of the pulse increased up to the sixth day after vaccination; it then began to decline, but continued more frequent than before vaccination, perhaps permanently, certainly for a period of foul months;COMPRESSION OF THE SUBCLAVIAN ARTERY. -We have it laid e. g., the man of thirtv-eight had before vaccination an average down as an axiom in the greater portion of our class-books, notfrequency of pulse of 66. On the first day of vaccination, the average for twenty-four hours was 69’5; second day, 64’9; only on surgery but also on anatomy, that to command hæmor-third day, 64’0; fourth day, 65 ’8; fifth day, 67’8; sixth day, of from the subclavian or in rhage axillary artery, amputation seventh day, 76 -2; eighth day, 75 -9; ninth day, 70 -7. 76-8, the shoulder, we have only to compress the vessel from above the clavicle, against the first rib, not making the pressure di- The frequency of the pulse continued to fluctuate till the day, when it again rose, and continued to increase rectly downwards, but forwards and backwards. Presumptuous fourteenth till the thirty-first day, on which it was 78 -3, and it slightly as it must and no doubt will appear for me to think of differremained at about this height for three months and a half after such with the deference from ing greatest high authorities, yet, to all and each of them, I cannot but think that, if we look at the vaccination. 2nd. On vaccinating the same man 108 days the position which the subclavian occupies at the point where after the first vaccination, a slight, transient swelling of the it passes over the first rib, we will see that it is no such easy punctures occurred, with a temporary acceleration of the pulse. matter to compress it as one might first imagine. But were The increased frequency was only of two or three beats in the there no anatomical difficulties to be overcome, there is still minute, and might therefore have been due to accidental ciranother obstacle to using pressure on the subclavian artery cumstances, had it not been observed in numerous other cases. above the clavicle. And what is this? Spasm of the muscles This observation would seem to show that going through the which surround this joint at the moment of operation. We vaccine process does not destroy the person’s susceptibiliity have our patient, with his arm stretched out at a right angle but only causes such a change in him that the re-introducton with the body; we have our assistant trying to use compres- of the virus produces a state similar in kind, but very much sion in the way taught; we transfix the deltoid,-and the less in degree, to that resulting from the first vaccination. 3rd. moment we do so, contractile spasm follows, the effect of which The period at which the exudation was in all cases the most day, while the pulse had attained its is, to throw up the clavicle, deepen the arch, and make tense abundant, was the eighth the fascia : thereby putting it completely out of the assistant’s greatest frequency on the sixth day, and then commenced declining, never, however, as before observed, declining as low power to use compression on the vessel, at least with any effect. as it was before the operation. —Mr. SHINKWIN in Dublin Hospital Gazette. NEW RESPIRATOR.-Dr. Stenhouse described a new species of respirator, filled with powdered animal charcoal, to absorb and destroy any miasmata or infectious particles present in the "A NEW CLASS OF NAVAL MEDICAL OFFICERS.’’ To the Editor of THE LANCET. air, in the case of fever and cholera hospitals, and of districts the United Service Gazette of the 13th of May, infected by ague, yellow fever, and similar diseases; it inSIR,-In cluded the nostrils as well as the mouth. Repeated trials 1854, is the following amendment :" The Admiralty, anxious to provide additional Medical with it had shown that certain noxious and offensive gases, such as ammonia, sulphuretted hydrogen, and hydrosulphate of assistance of some sort for the navy, have consented to accept ammonia had been rapidly oxidated and destroyed in their the services of young men wanting two years of completing as dispensers, at a salary of £100 per passage through the pores of the charcoal.—Report of Society their apprenticeship "
secuted.
general
Contemporary Medical Litterature
of Arts—Athenœum. IODINE.—Debauque
has observed that iodine is soluble in water to which syrup of orange is added, and still more so in water containing tannin. Two grains of tannin are sufficient to effect the solution of ten grains of iodine in six ounces of water.-Op. cit. DENTITION OF THE AZTECS.—On beholding these little creatures for the first time, a few months ago, I was forcibly impressed with the idea that they were not of the same race. There was nothing in the physiognomy of the girl that corresponded with
annum.
Druggists assistants have been installed into our naval hosto do the duty of assistant-surgeons, and now dispensers
pitals,
to go afloat. I cannot trust
myself to write on this insulting Sir James Graham, by this degenerate resource, will brand with infamy the naval medical department. If anywhere an efficient medical staff is needed, it is in the navy; removed as ships of war frequently are from all resources on shore. I am, Sir, yours, &c., RODERICK RANDOM. May, 1854. are
Admiralty edict.