As of Version 7.0, GradientFieldPlot has been superseded by VectorPlot.
As of Version 7.0, HamiltonianFieldPlot has been superseded by VectorPlot.
As of Version 7.0, ListVectorFieldPlot3D has been superseded by ListVectorPlot3D.
As of Version 7.0, PolyaFieldPlot has been superseded by VectorPlot.
As of Version 7.0, VectorFieldPlot has been superseded by VectorPlot.
As of Version 6.0, ClipFill has been superseded by the more general option ClippingStyle.
As of Version 6.0, SurfaceGraphics has been superseded by GraphicsComplex and related functionality.
As of Version 7.0, FourierSeries is part of the built-in Mathematica kernel.
As of Version 7.0, FourierTrigSeries is part of the built-in Mathematica kernel.
As of Version 7.0, HistogramScale has been superseded by an optional argument hspec for the built-in Mathematica function Histogram.