Wilma Tabacco makes minimal collages in ink, acrylic, and torn paper. Each monochromatic fragment is inscribed with ciphers: marks, crosses, and cancellations. The works in her exhibition “Continental Crossing” were arranged in serial groupings ordered by an invisible grid. In Sette tappe (Seven way-points, 1991), layers of semitransparent white paint and a thinly applied geometry of pale horizontal lines suspend Tabacco’s marks between alternating strata of vagueness and precision. Thus her ciphers reappear faintly but matter-of-factly, so that the drawings resemble maps or records. This