Aug. 1 is emanoipatiou day, but cm acoonnt of it falling ou Satnrday, it will be celebrated in Anu Arbor, on Priday next, .Tuly 81. The African population of tbis oity have this year gone to a great deal of pains aud expense to fittingly celébrate the anuiversary of tbeir emaucipation from slavery and it wül be oue of the most interesting occasions of ruauy years. In the morning at 11:30 a processiön will be formed at the court house and headed by the Detroit Colored Band, which bas been secured for the occasion, it will march to the Relief Park, where nearly every accorumoclation can be had at teasouable prices. In the afteruonn there will be bicvcle, füot aud bag races for prizes. At 8 o'clock p. ni. an oratorical contest and a concert will be given. Among tbose who are down on the bilis to address the meeting in the afternoon are Mayor Walker, Revs. D. A. Grahana, Chicago, and J. D. Barksdale, Ypsilanti, Gen. R. A. Alger, Detroit; Capt. E. P. Alleu, Ypsilauti; Hou. VV. Q. Atwood, Saginaw ; Dr. W. T. Auderson, Toledo; Mayor H. S. Pingree, Detroit; F. A. Merchant, Ypsilanti. M. W. Guy is ruaster of ceremonies. In the eveuiug the social olub of Lucullns Lodge, No. 4, K. of P.,will give a social party and dance at the armory hall, over VVadhams, Ryau & Reule's store. At 10 :80 a grand cake walk will take place vrhich will be participated in by ladies aud gentlemen from different citieá in the state as -well as from Aun Arbor. The captains will be W. A. Jones aud J. W. Woodson, of Toledo. Several haudsome prizes have been donated by merchauts of this city aud will be awarded at this party. The judges for the cake walk are Messrs. Ross Granger, Frauk Ryau and Haten, he music will be furnished by the Chequamegon orohestia.