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76 the classificatory system. It is only necessary to consider the terms we have used almost from our cradles in relation to their social setting to see how the terminology of relationship has been determined by that setting.

This brief study of our own terms of relationship leads me to speak about the name by which our system is generally known. Morgan called it the "descriptive system," and this term has been generally adopted. I believe, however, that it is wholly inappropriate. Those terms which apply to one person and to one person only may be called descriptive if you please, though even here the use does not seem very happy. When we pass beyond these, however, our terms are no whit more descriptive than those of the classificatory system. We speak of a grandfather, not of a father's father or a mother's father, only distinguishing grandfathers in this manner when it is necessary to supplement our customary terminology by more exact description. Similarly, we speak of a brother-in-law, and only in exceptional circumstances do we use forms of language which indicate whether reference is being made to the brother of the husband or wife or to the husband of a sister. Such occasional usages do not make our system descriptive, and if they be held to do so, the classificatory system is just as descriptive as our own. All those peoples who use the classificatory system are capable of such exact description of relationship as I have mentioned. Indeed, classificatory systems