GEN. NEWBERRY DEAD. Civil War General and Once Mayor of Petersburg Passes Away. Chicago, July 20.---Gen. Walter Case Newberry, civil war general, died today at his home here of arterial schlerosis, after an illness of eight weeks. He was 76 years old, a native of Waterville, N.Y. He enlisted as a private in the 81 St. New York volunteer infantry and later entered the cavalry. After the war he lived in the South for a number of years and was once mayor of Petersburg, Va. Later he built a reservoir at Richmond. Gen- eral Newberry was a close friend of General Pickett of the Confederate army. In 1876 he came to Chicago where he became postmaster and later was elected to Congress.