From Trans Mississippi.
Mobile, April 15.
--Western advices announce that Chalmers had captured Fort Pillow and two regiments of from eight to twelve hundred negroes and eight guns, and destroyed two transports.
[second Dispatch.]
Mobile, April 15.
--Mississippi river advices from different points report great battles between Kirby Smith and Banks, near Shreveport, in which Banks was defeated, with the loss of fourteen thousand men killed wounded and captured. Baton Rouge and other hospitals are full of the Yankee wounded.