Tt is with decp regret that the committee of arranementa for the general meeting to be holden at Pontisc, on the lst of June nexf. have now to inTorm the publiu that James G. Birney and Charles II, Stevvart are unavoidably and unexpectedly preveuted frorn attendiugr the above meeting as wos held forth in the notice, as published in the Sign'ai. Am! the committee have thonght it was asking too much of the romaininnf speakers to fuliil and perform what was expected irom a!l who y ere to addres the meeting. 'I'hey have therefore come to the conclusiÃ³n lo defer it until arrangements can be made to secure the former persons toaddress said meeting, which the public shall be advised of, through the Signal3 wheo arrangements are made.