General Forsythe at the Arrickaree.--El Solitario, the hermit priest of the old Santa Fe trail.--Medicine Bluff.--A race for life.--The tragedy at Twin Mounds.--Wal Henderson.--Kit Carsons's Pawnee Rock story.--Sheridan's roost.--The passing of the buffalo.--Judge Lynch's court at Whooping Hollow.--The wooing of Ah-key-nes-tou.--Kit Carson's "First Indian."--Did General Custer commit suicide?