A core part of Common LiSp Object SyStem (CLOS) ported to Scheme and rebuilt uSing a MOP (Metaobject Protocol). ThiSShould be intereSting to thoSe who want to uSe MOPS without uSing a full Common LiSp or Dylan. The firSt releaSe workS with MIT Scheme 11.74. . E-mail: Gregor KiczaleS. Mailing liSt: mopS (chefiStered by ). (1992-12-14)