From the London Courier. RRissag at Bruges-Reported retirement

 of the troops from Brassels-DeatA of

 Lord Biarstyre-7 7'multuous proceed-

 iegs of at Ostend, uath Joss of LiDes,

 Sc.

 We have just received very impor- fant letters from Bruges, Ostcn, and Ant very. The following summary oftheir contents will be read with great inter- est, particularly asour readers may rely upon their authenticity; and, however painful they may be, they will be found less alarming than the rumors which are inoirculation. OnSunday, in con. sequence of the proceedings at Brasscls, the populace of Bruges rose and hoist ed the National coIors. The Burghes, to prevent acouaict between the troops