Washington, August 7, 10 A. M.--Abe Lincoln was shot through the heart last night, just as he was entering his carriage, after leaving his cabinet in consultation. The assassin, a Southerner, is now in the hands of the authorities. There is great excitement, and “On to Richmond!” is the cry. later.--11 A. M.--Abe is still alive, but there is no chance for him to survive. The excitement here is great. still later.--12 M.--Abe was wounded in the abdomen and not in the heart. His physician