Star.
London, England, 1811-05-20 00:00:00

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MAT 11.
On Wednesday, the Bth of 'this month, the
s.
Brigades of the Royal Artillery under the com-
mand of Captain EGAN, and the Militia Car Bri-
gades under the command of Captain MALLET,
sembled in St. Aubin's Bay, to be reviewed in pre-
sence of the States of the Island. The Brigades
being drawn up in line, received Lieutenant General
Dog with a discharge of 19 guns. His Excellency
and Staff afterwards placed themselves a little ad-
vanced in the centre of the line. The States arrived
it front abont 11 o'clock, and were received with a
general salute. His Excellency then joined the I
States, and they retired to the Sand Hills, in rear of i
the Brigades, to sec them perform their several evo-
lutions. These were executed (under the direction
of Captain Enan) with the greatest precision and
rapidity. The promptness in changing their front,
in forming lines and advancing in full gallop, as well
as the judicious manner in which the guns were ser-
ved, afforded a complete idea of the great advantages
to be expected from this well disciplined and useful
corps, in the event of invasion. Immediately after
the review, the Brigades moved by the new military
road to St. Brelade's Heights, where, after taking up
the most advantageous positions to defend it, they
fired a few rounds with shot, as did the batteries in
ttte bay, affording from their cross fire a convincing
proof of its incalculable effects against an enemy.—
Nothing can better demonstrate the utility of the
new military roads than the celerity with which the
Brig Kies reached St. Brelade's Heights, and if any
t:iing can tend to the security of the Island, it will be
the establishing military communications to every vul-
nerable part of it. His Excellency and the Body of the
States expressed to Captain EGAN, in the warmest
terms, their entire approbation of the martial appear-
ance of the corps, as well as the steadiness acid con•
rectness which had marked all their movements, ob•
serving that the zeal, assiduity, and attention this
Officer had displayed in bringing the militia Brigade'
to the state of perfection it has acquired, was truly
honourable to himself and sensibly felt by them.—
After the review his Excellency gave a sumptuous
entertainment to the States and Commandants of
Brigades, ice. The utmost conviviality reigned
puny loyal toasts were drank, and the party broke
up at a late hour, highly delighted with the day.

ROrAL INSTITUTION.

MR. DAVY'S FOURTH GEOLOMAL LECTURF.
Besides the natural fissures of rocks, there are deep
and extensive chasms of frequent occurrence, the cor-
responding sides and angles of which intimate their
formation to have taken place after the consolidation
of the rocks in which they are found. These chasms,
when filled up, constitute veins.
Veins are the repositaries of a great variety of sub-
stances, particularly of crystallized minerals and me-
tallic ores. Their contents are in some measure con-
nected with the nature of the rocks they traverse.
In the primary class of rocks, veins are rarely metal-
liferons—they geneiallV consist of secondary rocks.
In the secondary class, veins are found most abund-
ant in metals. Tin occurs in veins in secondary gra-
nite; and copper, tin, lead, iron, silver, quicksilver,
manganese, &c. in argillaceons and silicions schist,
and in the trapps and grey wackes. Lead is the most
plentiful ore in the secondary limestones. Veins con-
taining metallic ores seldom occur in shales, sand-
stones, or basalts.
Different metallic ores are pretty regularly asso-
ciated in veins with different minerals, and the latter,
when they appear, are said to be indications of the
former ; thus an ochery powder, called gossan in
Cornwall, denotes the proximity of copper, and a
green earth, a species of chlorite, the proximity of
tin. Other circumstances, such as water impregnated
with metallic salts, the sterility of certain spots of
land, the fi zquent appearance of light in particular
places—an electrical phenomenon probably, owing to
the great conducting power of metallic ores, &c. guide
the miner in his search. Metallic veins are some-
times discovered by means of the fragments separated
from their surface; the tracing of these scattered
fragments to their origin is in Cornwall called shode-
ing. The divining rod, which is.a forked hazel twig,
was formerly in great repute for discovering metallic
iirei!is and springs of water. The rod itself can only
be influenced by the hand holding it ; and as metallic
veins and moist strata are superior conductors of elec-
tricity, a slight electrical effect consequently may be
produced on persons possessed of great sensibility, in
their neighbourhood. But the effect is so vague,
that it affords no useful or certain indication. And I
it is a vulgar mistake, that water is, confined to any 11
particular part of a stratum, it is usually diffused
through the sand, gravel, and clay composing it, and
will collect wherever pits are made for its reception.
The direction of veins, though their dispoiitions
and ramifications are very irregular, is generally uni-
form. The direction of metallic veins is, with little
deviation, from east to west. Veins, the course of
which is from north to south, are seldom metalliferous.
These veins pass uninterrupted through the preceding,
sometimes merely cutting their line of direction, at
others removing laterally one part of the divided
vein to some distance from the other. The derange-
ment thus produced is in Cornwall called the heave
of the lode or vein.—Cross veins of basalt are curious'
on account of the horizontal posititui of the pillars
into which they are commonly split.
Basaltic veins are of the latest formations, conse-

quently as they intersect and derange metallic veins,
it necessarily follows that at present there is no pro-
duction or renovation of ores, and that the now vulgar
idea that the exhausted parts of mines are replenished,
is .erroneous. Mr. Davy noticed the hypotheses of
teccher, Henkel, and Lehman, respecting metallic
veins, founded on this notion.
Metallic veins, like the secondary rocks, are the
production of an ancient and obscure period, when
the ocean overspread the surface of the present land.
And before the mysterious subject of their formation
can be understood, there must be a great extension of
chemical discovery, as well as a 'collection of geologi-
cal tacts.

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Yesterday morning, about four o'clock, the Green
Man public house, Warner-street, Westminster, was
sitscovered to be on fire by the waman. He im-
mediately alarmed the inhabitants, ho fortunately
escaped, busrthe premises was entirely destroy d.

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LAW tArittztarinal: • 1.

COtritT OF COMMON PLEAS, MAY 141:
BARRY V. TAYLOR.
This was an action brought on a bill of Exchange
for ,e5O drawn by the defendant in July, 1799, on
a person of the name of Vincent Frederici, and pay-
able at the Opera House in the Haymarket. The
bill had been accepted by Frederici, and by him in-
I dorsed over to a Mr. Gallerini, who at that time ac-
ted as Agent to Mr. Taylor. Gallerini had conver-
t ted it into cash, and it had at length got into the
hands of the present plaintiff. The defence set up
eras the statute of limitations.
Mr. Serjeant SHEPHERD, in stating the case, obser-
ved, that the present was one of a great number
of bills, which had been negotiated for the accom-
modation of the defendant. He had set up the sta-
tute of limitations in his defence, but he would prove
that, in 1804, Mr. Taylor had acknowledged the
debt—and that, in 1806, a writ had been sued out on it.
Lest his Lordship and the Gentlemen of the Jury
should be surprised at his referring to a period so long
past, during which no proceedings had been insti-
tined, he must observe, that the defendant, Mr. Tay-
lor, had for several years been outlawed, in con-
sequence of his inability to pay his d:bts, and his
Agent, Mr. Gallerini, was in, the same predicament,
having put his name to a paper to the amount of
824,000 or 025,000, which he was totally incompe-
tent to pay.
John Gallerini was then called.—He identified the
bill, which had been drawn up by him, by Mr. Tay-
lor's direction, who put his signature to it: He had
converted it into cash, which Mr. Taylor hadreceived.
Witness was a mere nominal party—the whole was
for the accommodation of defendant. In 1801, the
plaintiff, Mr. Barry, requested him to speak to Mr.
Taylor on the subject of paying the bill—he did so •
and Mr. Taylor promised that it should soon be
taken up.
On his cross-examination by Mr. Serjeant BEST, he
stated, that he was not aware of the manner is which
Mr. Barry became possessed of the bill.—He could
not tell whether it had been paid to him for his- pro-
fessional exertions as a Barrister. Mr. Barry had not
received the bill from him.
It was then proved that a writ had been issued out
on the 12th of February, 1806, which, with the pro-
mise given in 1801, brought the transaction within
the time specified in the statute. The Jury therefore
returned a verdict for the plaintiff for £79 10s. being
the original sum, with the interest which had ac-
I trued on it. ..