Wanted: A Man of Nerve--Foiling a Scoundrel--Matt Makes an Investment--Matt Explains to McGlory--Ping and the Bear--A New Venture--A Partner in Villainy--Matt Shifts His Plans--Dodging Trouble--Blanked--Siwash Shows His Teeth; and His Heels--"Uncle Sam" Takes Hold--On the Wing--Dastardly Work--The Government Trial--Fame; and a Little Fortune.