-Tho attentioQ of the Government lias been given to the organizador) of the mounted troops now in tho U. S. regular service. Their present strength is as follows : Two regiment of dragoons, '2,000; two regiments of cavalry, 2,000 ; ono regiment ot mounted rifletnen, 1,000. Total, 5,000 men. These soldiers ara stnticned in different parta of the country. There are about 1,000 of them. at present loeated in the Department of the Eust, chiofiy tnüinbera of tho Seoond Cavalry.