The subject of broad and narrow gauges, we see, is being discussed in some 01 our western exchanges. The broad guage seems to meet with the most favor in the west, and hopes are entertained that no narrow gauge will ever be introduced west of the Missou- ri. The editors who make such remarks have just and proper ideas on the subject.—mdash; The broad gauge is to be preferred in a coun- try so favorable for railroads. Mr. Kirkwood, Engineer of the Pacific Railroad, in Mississip pi, recommended with his usual sagacity, the broad gauge, and none else, for the Pacific line. It is one of the most exhilirating sights in the world to behold a huge locomotive dashing along on the broad guage, with a huge train behind it. The people west of the Mississippi, we hope, will adopt uni- form lines at least, and not have a mixture of broad and narrow gauges, as we have in this State.