Scotland's legal system: 

Inquisitorial procedure, use of torture, 
         influence of Roman law, penalty is burning

vs. England: customary, accusatory procedure

Centralized, political control of witch trials
         reviewed by Privy Council of King
        (but then often unsupervised, no appeal)

vs England: royal circuit court judges try cases
       except during English Civil War
       (case of Matthew Hopkins)

Religious differences
England: Anglican Church: more moderate

Scotland: Presbyterian (Calvinist)
               1560 Scottish Reformation under John Knox
                influence of Geneva and John Calvin
               role of consistories (church courts)
                      try moral & religious offenses, denunciations
               source of Scottish witchcraft accusations

1563 Scottish witchcraft act: death penalty
        for any magical activity or consultation

Scotland statistics:
        approx 1,000 executions out of 3,000 trials
       much more severe than England