The Express.
London, England, 1851-05-05 00:00:00

We have had quite an excitement in consequence of the
news received from Nicaragua, to the effect that the Ame-
ricans had all left San Juan, in consequence of the saddest
desalt, of the NU:neap/dr. I have, only yesterday, wen a
gesitlenstn who came from that port in the Prometheus,
who assure, me there is no truth whatever in the report.
Nur can l doubt it, for I eanuot we: what the Nicaraguans
andel do to molist our eitiseas at Grey Town, where his
sable Majesty has supreme authority, and sleeps, and snores,
and rules loader the gracious protection of the Briti.h
But there are rumours (rein Washington touching this
Nicaragua business that are important. It is said that your
povernment has already through Mr. Chatfield committed
infr t..on, of the late treaty, and that these will form the
subject of earnest eonaideratiou by the cabinet at Washing-
too as don as Mr. Webster returns from Mantfield.
The awards of the commissioners on the Mexican claims
have been made public. They have nut given much satis-
faction. Speculators appear to have come out first best.
Sir Henry Bulwer is to be the guest of the St. George's
Society. Lady Bulwer returns home next month. The
French minister is about to return to France.
A letter, dated New York, has appeared in • Philadelphia
paper to the following effect :
" If the information which I received to day, from a gen-
tleman who knew all about Lopes'. movements, in connec-
tion with the expedition to Cardenas, is to be relied upon,
thew is a great deal of reality in these rumours, and another
Cuba expedition is on foot. Arrangement. have been made
to start from Yucatan, New Orleans, Apalachicola, Mobile,
and other places on the same day. He says that the city of
New York will furnish three hundred men, and that the
bulk of the expedition will be composed of Southern men.
I am aid informed that some of the principal men am-
nestied with the movement sailed (ruin here yesterday for
Paw Orleans, in the team-ship Union."
I myself was informed the day b fore yesterday that soma
cavalry were in town, and General Lupe: himself, and I
Sire you infonnatiou which I should nut he at liberty to
anent 1111 l here. The result of this attempt is easy tube fore-
seen ; and although it is said that this time the Cubana will
rise to assist the invaders I do not believe it.
A collision has taken piste on the Western Railway, near
Geneva, in this state, and several persona were killed and
wounded.

The New York and Erie Railway is finished, and in a
law days paascogers will pass from Dunkirk on Lake Erie
to New lurk in a single day. The distance is about 100
Grunt preparations are making to celebrate the
day of it. opening. This is one of the greatest efforts of
modern times. It is equ:vslent in value to the Eric Quist,
sad opens vast regions to the commerce of this city. More
of thi. at another time.

Our money market is easy, and property of all kinds
brilt, a good price.
Wu 1111%0 wend days later news from California. The
nourishing town of Nevada has been laid in ashes, and the
law is ♦ery' large. Business is quite dull in San Francisco.
The mines continue to du well, and rich places are con-
stantly discovered. There were two millions of dust at
Paitums, on the way to the United States.