Chicago, April 5.-Four thousand new qnrinefield rifles for the use of the NaKl gaard have arrived In Chicago. And the members are rejoicing. Tlielr happiness is increased by the knowledge that 75,000 rounds of ammunition also have reached the city and are now stored in the First Regiment armory. When the guns and ammunition are distributed, the militia will be ready for an emergency cali. This was practically all that was lacking in theequipment. The troops were all armed with the oíd style Springfield rifles, which will no.w be stored away in reserve.