  For the sake of eliminating gauge variant degrees of freedom we discuss the
way to introduce angular variables in the hamiltonian formulation of QCD. On
the basis of an analysis of Gauss' law constraints a particular choice is made
for the variable transformation from gauge fields to angular field variables.
The resulting formulation is analogous to the one of Bars in terms of corner
variables. Therefore the corner or angle formulation may constitute an useful
starting point for the investigation of the low energy properties of QCD in
terms of gauge invariant degrees of freedom.
