\magnification=1440 \font\bigtenrm=cmr10 scaled\magstep4 Abstract for Ifor Morris and Christopher D. Wensley, Enumeration by Stabilizer Class of Patterns with Local Restrictions We consider patterns of colourings of G-sets where certain forbidden sub-colourings are excluded. An algorithm is developed for the calculation of inventories of patterns with a prescribed stabilizer class. \bye .