Twenty Dollars Reward. RUN away from the subscriber at New- York on the 6th inst. a Negro Boy, named Cornelius about 19 years old, speaks bad English, very crooked legs, lost one toe, has a down look -- had on a blue round jacket; brown pantaloons, homespun vest and a owl or glazed hat. Whoever will deliver him to John Peters, merchant, Southstreet, New- York, shall receive the above reward and all reasonable charges. HENRY WALLER. October 14, 1806.