Xew York, May 24.- The National Workingnien's Convention to nominate & President and Viee-President of tho United States, met ycisturday, in accorckwice with the cali of the Workingmen's Central Union of the Stato of New York. The conven tion was called to order at 2:20 ly Col. Hodmord, of New Jersey, who was elected toniporary chairman. The usual GQtiimittt'L'S wero appointed. ïhe oall of fcfeq roll showed that delegates wcre in atten-Juuce froin thirty States to the nuinber of over two hundred. A peruiniiont orgmiization was effected Hy. tho election of Col. Gibbons, of New York, agchaiiman. Col. Gibbons, on taking tho chair, oulogiztd Grant's recent action in regard to tho cight hour law, reviewed his policy and said that ho was the only man who could be trusted by the working claeaus. A seríes ot' resolutionR were reported ombodyiug the fbllowing principies : Roiuctiou of the national debt ; unconditi .nul f :t t lt-incnt of the Alabama claims ; ♦;nforcement of tho aight hour law ; low (9oi inerosb as the cummon national law ; en-journgoment of ship building ; Bflving the United States mails exclusiveljr to American built ships,. and sympathy with nations struggiing under oppression. J. 34. 51r;Gee, of New York, recommencT;d Presiö'ent Grant fot roaoinination. The delegation from JiEissowrü ïMommprided Horace Greeley. Ou tafcing a ballot Grant received 204 votP8;.aiil' (ireeley 5 Totes. Tho nominatiou of Grant was then mado unanimous. Sruatür Henry Wilson was then nominatod for Tice-President hy tho following ballot : WiNon . - - -■ - ïgo Kdwia D. Mnri,'nn, - - - - 35 OMfnx, - ... 24 Grimt aud Wilson wcro ttien notified by telegraph of their nominatiou. A oouimitte wns appoiuted to preparo an address to the workingmen of the United States. A motion was adopted to hold a ratifiotóaii-meetin at Institute.