If deficient in development it indicates a cowardly spirit ,a want of self-command, and inability to lead or govern others. If full it indicates courage, passive resistance,resignation in misfortune and resolution; ability to lead and command, and much warm than dardour in all undertakings. That portion situated under Mercury indicates passive courage or coolness, and that portion situate under Jupiter active courage or aggression and promptness of action. If excessive and spreading into the centre of the hand it indicates defiance of manner, a violent, insulting and cruel nature; it makes the subject hot-blooded and impetuous, and unless the reason is strong it shows an inclination to sensuality and tyranny.