PlTTSBURG, Pa , April 3.- Governor Pattison, as soon as he learned of the riot yesterday morning, isued orders througb Adjt. Gen. McClelland, of the National guard, Instruotlng the Tenth regiment, Col. Hawkins, of Washington, Pa., to proceed to the seatof the trouble at once. Order3 were also sent to Col. Norman Smitu, of the Eighteenth regiment, this city, to cali members of that regiment to gether at once and have them ready to march toward Mt. Pleasant at a moment's notice. Troops on the Move. Four companiea of the Tenth regiment National Guard of Pennsylvania, about 175 strong, under Lieut. Col. Streeter, passed through this city at 8 o'clock last night. ïhey picked up another company at Greeusburg. Eight companies of the Eighteenth regiment N. G. P., about 350 strong. Col. Norman Sinith in charge, left here at 10:05 p. m. The companies of the Eighteenth regiment have 40,000 rounds of ammunition. The companies will be distributed throughóut the región, wherevei' there is auy danger of an out break.