The track at Stockton built on the baseball grounds by the Oak Lead Wheelmen is about completed. It is made of cinders and adobe, is four laps to the mile, and is twenty feet wide, excepting the finish, 100 yards long, which has a width of thirty feet. It is eliptical in shape, with a long, curving back stretch. The corners will be carefully banked and experimented with until they are found to be perfectly safe and easy to negotiate. The combination of cinders and adobe is said to make a perf...