Lincoln Directs Coöperation--Halleck and Buell--Ulysses S.
Grant--Grant's Demonstration--Victory at Mill River--Fort Henry--Fort
Donelson--Buell's Tardiness--Halleck's Activity--Victory of Pea
Ridge--Halleck Receives General Command--Pittsburg Landing--Island No.
10--Halleck's Corinth Campaign--Halleck's Mistakes