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Cycloalkanes adsorbed on graphite, unlike the normal alkanes considered in the preceding contribution, cannot undergo a tumbling motion and change their orientation with respect to the graphite surface. The orientation of the cycloalkanes as revealed by STM images is reported and lamella defects are identified. An answer is also given to the question of how many adlayers are seen by STM, which is very important in the interpretation of superstructure patterns.