Britt Defeats Lenny.Baltimore. Md„ Oct. 20—Determined , to win and to get a niattfh with Biz Mackey or some other good boy during the Pimlico race meeting, Young Britt got the decision over Kid Lenny in a 15-round mill before tbe Eureka Athletic Club members at the Germania Maennerchor Hall Tuesdaybight.'It was a decisive victory for Britt, | ior vr^en the gong sounded the finish, Jack McGutgan, of Philadelphia, who was the referee, did not hesitate a moment In raising Britt's hand as a signal of his victory. Britt won all the 1 way. From the first round until the ! fifth he was master of the situation. He fought in his old form and apparently had trained earnestly for thei contest.\