The Express.
London, England, 1860-05-01 00:00:00

THE UNITED STATE&

LIVERPOOL, MONDAY.
The royal mail steamship Niagara, Captain
Leitch, from Boston, on the 18th, and Halifax on the
night of the 19th inst., arrived here at an early hour this
morning.
A brief scnopers of her mews has already been received by
telegraph from klneenstown.
The -delegates to the National Democratic Convention
for the nomination of • candidate for the presidency were
on the move towards Charlestown. Large numbers were
at Workington en roofs.
In the United Statue Senate, Mr. Wilson had introduced
his bill for the moo' effectual suppression of the slaves
trade. It provides for the construction of Ave steam
screw sloops of war adapted to the African
nut increases the bounty from 25 doh. to 100 dole.
otters • rewind of 100 dole. for delivery to the United
States Hanka of any sieve landed in the country ; makes
the fitting oat or ownership of vowels engaged in the slave
trade piracy, and pun:shes with imprieonment for life, in•
stead of death ; makes it criminal for • ship not registered
to airplay the American flag as a badge of nationality; makes
it the duty of the °dicers of • ship before going to the
African wart to report to the United States attorney for
examination ; and provides that American reseals sold
shared shall return to the United States for a new register
before going to the coast of Africa.
Preeilent Buchanan had transmitted to the senate copies
of additional correspondence with foreign government.,
concerning the rights of American naturalised citizens
abroad. It is cooducted throughout in good temper, the
United States in all cases repudiating the doctrine of per.
primal allegiance. It appears from these documents that
twelve years ago the British government, at the instance of
Bencr released two naturalised Irishmen. who
were sus of aiding in the rebellion, and emoted in
teeewots de practices. Lord Palmerston, however, declared
that f”reign.horn subjects of Great Britain who may have
become naturalised in • foreign country, but who return to
the United Kingdom, are as anietwele as any other of her
Majesty's subjects, to any taws which may be in force,
either of • permanent or temporary nature.
In the Howe of Representatives, the committee having
under consideration the expediency of prohibiting by law
all American vessels from engaging in the coolie trade bad
presented an interesting report on the subject. The report
coecludes by saying that the committee believe it to be
within the power of so to legislate, and that the
time has fully arrived when such legislation is demanded ;
they tbeedere revmunend the pump of a bill in accord.
awe with thane views. A ball on the subject was forthwith
introduced by Mr. Eliot, of MersachuseAta.
The business part of the town of Woodstock, New
Brunswick, bad been entirely destroyed by Are. Over ono
hundred buildings were burned. The loss is estimated at
over 300,000 dole., but the destruction of the telegraph.
ogles prevented the reception of any further particulars.
The Washington correspondent of the New York Herald
says :—" It is said that the administration adheres to the
possession of San Juan Island, and that in response to the
proposition of the British jovernment, the latter has by
this time been so informed.

In a later despatch the same authority give,' the follow-
ing :—** The government were glad to learn, from the state-
meat in pvEament of Lord John Russell, that the San
Juan affair was approaching • settlement. It is in the
power of that gentleman to settle it at any moment. The
reply of our government to the last despatch of Lord John
Rowell has em this been received. Our government re.
fused to accept the mode .of settlement presented by her
Majesty's government, and reiterates its clear and undis-
puted right to the island. When her Majesty's government
concedes that point the matter is settled, and wrtbout that
there will be no e lemett of the question, so far as our
government is coo erred."
Date^ from San Francisco, California, to the 3rd instant
had reached St. Joseph, Missouri (whence they were tele-
graphed to the Eastern States) in the short space of ten
days, by • newly organised "Pony express."
The United States steamer Powhatian arrived at San
'rename as the Mk March from Japan vii Honolulu.
She had on hoard the Japanese embassy, consisting of two
principal ambassador% maws at the highest rank among
the nobility of the empire, and two associates, who are
nobles of sea equal rank.
Cowman appropriated 50,000 dollars to meet the ex-
peates of the embassy at Washington. It is stated that
Lord Lyon., under instructions from the British govern.
meat, will extend to the ambassadors • cordial invitation to
visit Crest Britain.

8UK1130.4 at San Francisco continued excessivelydull.
The news from the mineral regions of (hustles Valley is
of an exiting character. The whole region is represented
as one vast mine of the precious metals, and adventurers
were fruzking there in great numbers.
From British Columbia, the latest intelligence is to the
30th ultimo. San Juan Island continued in the t oc-
cupation of American and British troops. The ac.
c".ints from Fraser river are encouraging, and new •
bad horn discovered in various places.
We have further details of the sews from Vent Ores to
the Ist instant. The United States war steamer Brooklyn,
baring on board Mr. M•lrne, the American minister to
Mexico, arrived at Vera Crus on the Mith ult.

The Nee, Orleans Pieesysine contain; au extract from a
private letter, dated Vera Crux, March 28th, mating that
tue I:ritAi minister has proposed a truce of sit mouths at
the utLowt, during which a congress is to be elected by the
ilitfeient stales of the republic. This congress is to be
united in Jalapa, which ie to be declared neutral
ground,
under the protection of the English government,an
necessary, of English troops. The congress, to be voted by
the nation, is to nuke a new constitution, which will be
recognised, protected. and enforced by England. The claw
detsppnwe of the proposition ; but if they refuse it, the
English minder wul immediately take his passports and
leave f,r Vera CruL, where he will recognise the Juarez
government.