KARL KNATHSRosenberg, 20 East 79th.
No surprises for those who are familiar with Knath's Cape Cod scenerythe lilacs in his backyard, deer feeding in the pines, light-splashed docks and shacks. What is perennially surprising, though, is the freshness that pours through his black-framed mosaic hues. Through Nov. 7.
JAMES HARVEYGraham, 1014 Madison Ave. at 78th. Harvey, an abstract expressionist, is also a commercial artist, and he took a dim view of Pop Painter Andy Warhol's Brillo-box copies. Harvey, after all, had designed the original. Harvey's new paintings consist of whirling wheels of color that hang dizzily even from the ceiling. They look...