The National Convention

F rom the notes of preonration that we see in our e.xchanges, we judge that the BufFaio Convention will be full in numl)ers, and inieresting aiid important in ',U resulis. Michigan cught to send n l.irge dolegation. By a notice in anotlier column it will be seen that facilities are offeied fop a passage across the Lake at nboul hnJt'llie usual price. We see the National Era has given formal notice, that should tho Convention adopt the principies of the nevv party, (which is not at all probable) the Era and thonsands more wil' not acknovvleilge the (iecision ns binding. This announcenent undoubtedly representa truly what would be he gr, ... ., rity of the ...irty. They will not take the direction of a new aiïc! e.N'tremely radical party, whk:h, while it exists at al!, will always be a small minority of the whole people : but, when the Liberty party mak es any chango in its basis, it w.ll be a movement looking towards co-operation, if not union, with the anti-slavery portions of the other parties. We havo been auare of this tendency for two years past. Then the party arrived at ihe forks of the road where itdirergod gradually each way,one brnnch looking towards a total separation and disconnection from the other parties : - ihe other branch running parallel with the routes of the Whig and Democratie parties, and susceptible of a ready oommunication with them. Those who follow the first branch have landed where we knew they vvo;ild if thcy persevered in it. The travellers in the "One Idea" road stili hold on their way. What turnings may await them, or at what distances ahead, must be leít for time to revea].