Gambar halaman
PDF
ePub
[ocr errors][ocr errors]

wards seen varying its range and are larger, and constitute a bed of
hade, running E.N.E.and W.S.W. gravel, that also contains nodules
and hading N.N.W.; lower down, of fme grained iron stone, which
the blue miit is observed more produces 50 per cent. of crude iron :
compact, though still laminated. incumbent on the rock, are large
The ground, less steep, becomes tumblers of quartz, a variety of
springy, is inclofed, and the ravine, argillite and thiitus; many pieces
Hallower, has deposited a consider, of the quartz are perfectly pure,
able quantity of clay, sand, and others are attached to the histus,
gravel. Following the course of others contain chlorite, pyrites,
the ravine, or, as it may now more mica, and ferruginous earth; and
properly be called, the brook, arrive the arsenical cubical pyrites free
at the road which leads to Arklow; quently occurs, imbedded in the
here is a ford, and the brook has blue thiftus. In this mass of mata
the Irish name of Aughatinavought ter, before the workings began, the
(the river that drowned the old brook had formed its channel down
man); hence it descends to the to the surface of the rock, and be.
Aughrim river, just above its con: tu een fix and seven feet wide, but
Huence with that from Rathdrum, in times of floods extended itself
which, after their junction, take entirely over the valley.
the general name of the Ovo, that, “ Refearches have been made for
discharging itself into the sea near the gold, amidst the fand and gra-
the town of Arklow, forms an har. vel along the run of the brook, for
bour for vesels of fmall burthen. near half a mile in length; but it

« The lands of Ballinvally are is only about one hundred and fifty to the southward, and the lands of yards above, and about two huna Ballinagore to the northward, of dred yards below the ford, that the the ford, where the blue fhistus trials have been attended with much rock, whose joints are nearly ver- Success : within that space, the tical, is seen ranging E.N.E. and valley is tolerably level, and the W.S.W. including small strings of banks of the brook lrave not more quartz, which contain ferruginous than five feet of sand and gravel earth. The same kind of earth is above the rock; added to this, it also seen in the quartz, contained in takes a small turn to the southward, a vein from ten to twelve inches and, confequently, the rude surfaces wide, ranging E.N.E. and W.S.W. of the thiftus rock in some degree and hading to the southward, which cross its course, and form natural has been laid opeo in forming the impediments to the particles of gold Arklow road.

being carried further down the “ Here the valley is from twenty stream, which still lower has a inore to thirty yards in width, and is rapid descent; belides, the rude covered with substances washed manner in which the country peodown from the mountain, which ple worked, seldom enabled them on the sides have accumulated to to penetrate to the rock, in those the depth of about twelve feet, places where the sand and gravel A thin stratum of vegetable foil lies were of any material depth. Their uppermost ; then clay, mingled method was,'to turn the course of with fine fand, composed of small the water wherever they deemned particles of quartz, mica, and thift; necessary, and then, with any in, Beneath which the same cubitances ftruments they could procure, to

dig holes down to the rock, and dred ounces appear to have been by washing, in bowls and fieves, the collected within the short space of sand and gravel they threw out, to fix weeks. separate the particles of gold which " The gold is of a bright yellow it contained ; and from the no- colour, perfectly malleable; the venly and hasty way in which their specific gravity of an apparently operations were performed, much clean piece 19,000. A specimen, gold most probably escaped their assayed here by Mr. Weaver, in the search; and that indeed actually moist way, produced from 24 grains, appears to have been the case; for 221% grains of pure gold, and since the late rains washed the clay 11% of filver. Some of the gold and gravel which had been thrown is intimately blended with, and up, gold has been found lying on adherent to quartz; some (it is the surface. The fituation of the said) was found united to the fine place, and the constant command grained iron stone, but the major of water, do, however, very clearly part was entirely free from the mapoint out the great facility with trix; every piece more or less which the gold might be separated rounded on the edges, of various fron the trash, by adopting the weights, forms, and Gzes, from the

de of working practised at the most minute particle up to 2 oz. be managed tin stream works in 17 dute, ; only two pieces are the county of Cornwall; that is, known to bave been found of fu. entirely to remove (by machinery) perior weight, and one of those is the whole cover off the rock, and 5, and the other 32 ounces. then wash it in proper buddles and "I muclı regret not having been fieves. And by thus continuing present when the work was going the operations, constantly advan on, that I might have seen the gold cing in the ravine towards the as found, before prepared for sale mountain, as long as gold Mould be by breaking off any extraneous found, the vein that forms its ma- matter that adhered; for in that trix might probably be laid bare.

ftate, a proper attention to the sub“ The discovery was made pub- stances with which it was united, lic, and the workings began, early and a fubfequent diligent inspection in the month of September last, of the several veins that range and continued till the 15th of through the mountain, might at October, when a party of the Kil. towards the discovery of that from dare militia arrived, and took pos. whence it was detached. setion by order of government; “ I thall fortly return to Eng: and the great concourse of people, land; and on my arrival, will fend who were busily engaged in endea- fpecimens of the gold, and of the vouring to procure a fare of the different substances of the moun. treasure, immediately defifted from tain, to be deposited (if you think their labour, and peaceably retired, proper) in the collection of the

“ Calculations have been made, Royal Society, that during the foregoing period, "And am, with great respect, &c. gold to the amount of three thouland pounds Irith fterling was fold

" ABRAHAM MILLS. to various persons; the average ** The bearings are all taken by the price was three pounds fifteen mil. compass, without allowing for the Jings per ounce; hence çiglat hun. variation.

* Beldes

* Befides these accounts of the gold crease their bulk, and that there found in Ireland, the following in- are some extraneous substances, formation has been received on such as dirt or clay, contained in that subject.

those cavities. " William Molesworth, efq. of “ This opinion was discovered Dublin, in a letter to Richard Moles- to be well founded, by cutting worth, efq. F.R.S. writes, that he through some of the small lumps. weighed the largest piece of gold “ Staneshy Alchorne, efq. 'his in his balance, both in air and majesty's assay-master at the Tower water; that its weight was 20 oz. of London, assayed two specimens 2 dwts. 21 gr. and its specific gra- of this native gold. The first apvity, to that of sterling gold, as peared to contain, in 24 carats, 12 to 18. Also that Richard 21% of fine gold; Kirwan, esq. F.R.S. found the spe- It of fine silver ; eific gravity of another fpecimen of alloy, which seemed to be to be as 13 to 18. Hence, as the copper tinged with a little iron. gold was worth $4 an ounce,

« The second specimen differed Mr. William. Molefworth con- only in holding 2if instead of 218 cludes, that the specimens are full of fine gold.” of pores and cavities, which in

On PLICA POLONICA; by Mr. FREDERIC HOFFMAN, SURGEON to the

PRUSSIAN ARMY.

[From the MEMOIRS of the LITERARY and PHILOSOPHICAL SOCIETY

of MANCHESTER, Vol. IV. Part II.]

ISEASES, tendency of 66 Both sexes are equally liable

which is fatal, and the occur. to the attacks of plica. It usually rence frequent, peculiarly claim the appears during infancy; and but attention of the practical physician; seldom after the age of twenty. while morbid affections, which ap. When once produced, it continues pear more rarely, and present un. during the remainder of life. The ufual phænomena, more especially accesion of the complaint is in attract the enquiries of those whore general preceded by irregular fpalobje&t is the extension of general niodic affections, pains in different science. The disease termed Plica parts of the body, a flow fever, and Polonica is of the latter class. It various diseases of the eyes; all is endemic in Poland, and feldom, which cease immediately on the if ever, observed in any other part appearance of the Plica. of Europe. During a long stay at

« The disorder consists in a præBreslau in Silefia, I had frequent ternaturaliy rapid growth of the opportunities of observing this dif- hair, with a copious secretion of a ease: and, as it is at present little viscid matter from its bulbs. For kuown in Britain, I trust a brief the most part, the hairs of the head narration of the principal circum- are alone affected; and that only stances connected with it will not in peculiar parts. In these, the

hairs grow considerably longer than 8

in

prove uninteresting.

in the rest; and are knotted and one-third of their hairs: I learned çntangled with each other; being from them, that their father and also covered with the viscid matter grandfather had also been affected which issues from their roots, and with the disease in a form exactly 'which aslifts in gluing them toge- ümilar. ther.

“ Besides the human species, “ In proportion as the quantity other animals are subject to this of this gluten, and the implication complaint. It appears in some of of the hair increases, it is still more the finest horses in Poland. In and more difficult to clean and them it is situated in the mane, and comb it; hence a degree of phthi. sometimes in the long hairs around riasis is produced, and the head the hoof and fetlock joint. It atcontracts an extremely fætid smell, tacks also the different species of to which, however, the Polish pea- the canine genus; dogs, wolves, fants are so much accustomed, and foxes. Previous to its occurthat they endure it without coin, rence in the first, the symptoms of plaint, or any manifest inconvenie rabies usually appear: the tail is ence.

dropped between the hind legs, " It is also an opinion univer, there is a fow of frothy saliva from sally prevalent with them, that the the mouth, the fight and appetite disease is a salutary effort of nature are impaired, or entirely lost; they to expel a morbid matter from the are snappith, and disposed to bite, body; and that to interrupt the but their bite does not produce hy. course of it would be productive of drophobia. The wolf is affected in inminent danger ; hence, they the same manner : he leaves his make no attempt to cure, or even wonted concealments in the woods, palliate the complaint. And, if and runs wildly among the locks, we may repose confidence in au- biting, and destroying them, but thors of established reputation, without producing hydrophobia. morbid affections of a similar nature “ The impoffibility of ascer. to those which precede its occur- taining the true causes of this fin. rence, paralyfis, and even death it. gular disease has given rise to felf, have succeeded imprudent at- several vague conjectures on the tempts to check the progress of the subject; as that of Le Fontaine, disease. In this respect, plica bears who attributes it to a corruption of some analogy to the exanthemata, the fat. and various chronic cutaneous " It is somewhat remarkable, eruptions.

that plica takes place only among "I am as yet unable to decide the lower clafs of people ; whence whether this complaint is heredi- some have conceived, that it is to tary or not. From fome obfer- be considered merely as a consevations indeed it appears, that a

quence of uncleanliness. predisposition to it may be trans- “ But, in objection to this opimitted from parents to their off- nion, it may be urged, that it is unspring; but my information on known in the adjoining countries this head is too limited to ascer- subject to the Prussian government, tain the point. In one case which where the peafants are habituated fell under my own observation, two to the same customis and mode of brothers had plica, both on the life, or nearly the same as in Poland left side of the head, and in about that its appearance affords evi;

dent than

dent relief to the system, and its to the vicissitudes of the atmo. retroceflion is productive of dan- sphere; almost regardless of cold, gerous consequences. The idea, they frequently neep in the open that it is a real and idiopathic dif- air. Their diet consists chiefly of case, is confirmed also by its oc- animal food, and they are much çurrence in a variety of animals, addicted to the use of spirits. They and by the circumstance of its being þave an equal fondness for other confined to particular parts of the Itrong ftimulating liquids. I have head; for which no reason can be seen them drink, with the greatest ailigned on the former fuppofition, pleasure, the falt brine in which

“ A peculiarity of climate can- herrings have been preserved, and not be adduced as a cause of this even nitrous acid, diluted with disease. Poland differs little in this water. respect from the adjoining coun- " Since no other cause can be tries. The summer heat is confi- assigned for this disease, it is proderable, the thermometer rising fre- bable that it arises, according to quently to 98°, 100°, 104°, and the general opinion, from contathe cold in winter so great, that it gion; a contagion which, like that falls sometimes 10, 15 degrees be, of prora, can be communicated by low o. But though the changes in contact only; but this I have not the atniosphere are so remarkable, been able to ascertain by any obat different periods of the year, servations of my own, they take place with the utmost “ It is said, however, by authors regularity, the temperature pasiing, of reputation, that plica is frequent by insensible degrees, from one ex. in Tartary; and that it was brought treme to the other.

into Poland in the thirteenth cen, “ The Poles themselves are a tury by the Tartars, who at, that vigorous hardy race; inured from period made frequent irruptions ininfancy to labour, and to exposure to the eastern parts of Europe."

ACCOUNT of the Lynx of Agruzzo.

[ocr errors]

[From the TRAVELS through various Provinces of the KINGDOM of

V Aples, in 1789, by Charles ULYSSEs, of Salis MarschLINS, translated from the German, by ANTHONY AUFRERE, E19.]

LTHOUGH Buffon and mountains, and which precisely

Schreber have given us resembles the species given in But. very good accounts of the lyox, the fon's Natural History, part xix, naturalist will probably not be dil. plate 21, French, octavo-and in pleased at receiving some infor- Schreber's Sucking Animals, part mation about the species of lynx ii, pl. 109, page 408. But the lynx peculiar to the provinces of A. of Abruzzo is of a darker colour, bruzzo. It is frequently met with is from eighteen to twenty inches in the woods of Abruzzo Ultra, high, and from twenty-four to where it is called Il Gatto Pardo, twenty-seven inches in length, to and is fmaller than a sort that is not the root of the tail, which is four frequent amongst the Grifon inches long. The male is larger

« SebelumnyaLanjutkan »