An Act to repeal the Forty-seventh Clause of an Act, intituled ‘An Act to consolidate all the Laws now in force relating to the Slave Population, for making more effectual provision for their maintenance and protection, and for the admissibility of their testimony in certain cases,’ and also two certain Acts, intituled ‘An Act to amend an Act, intituled, An Act to consolidate all the Laws now in force relating to the Slave Population, for making more effectual provision for their maintenance and protection, and for the admissibility of their testimony in certain cases, in so far as relates to the admission of the evidence of Slaves for and against Slaves;’ and ‘An Act to amend and explain an Act, intituled, An Act to amend an Act, intituled, An Act to consolidate all the Laws now in force relating to the Slave Population, for making more effectual provision for their main­tenance and protection, and for the admissibility of their testimony in certain cases, in so far as relates to the admission of the evidence