Capacities. Native capacities differ from instincts in not providing definitely predictable and ready-made reactions. They consist,rather,of the "gifts" or aptitudes of the individual to follow certain lines of action or achievement. There is no doubt that here, as is the case of instincts, we are dealing with complexes that are in some degree interdependent. Yet we may with some certainty speak of one person having a gift for mathematics, another for mechanics,and so on. To make a list of innate capacities would be to list all the special aptitudes that crop out in individuals or run in families, thus favoring individual distinction