92° INDIANS OF THE SOUTHWEST. 
SOCIAL ORGANIZATION. 
It isnow recognized that with people everywhere, as | 
well as with ourselves, the biological family consisting 
of the father and mother with their children is the all 
important unit in social organization. When these 
children marry they may, without regard to sex, remain 
in the parental home with their spouses and children, or 
they may leave, founding new homes. Among some 
peoples the prevailing practice is for the sons only to 
remain with or near their father’s home, while the 
daughters go with their husbands to other localities. 
The reverse frequently happens, that daughters re- 
main and the sons-in-law are joined to the growing 
family. Among the Hopiand Zufi, at least, this latter 
practice prevails. The young man, when accepted, 
comes to live with his wife’s family. Later, his wife 
secures or builds for herself a new house or a set of | 
rooms which usually adjoins her mother’s. This house 
is her property and a dissatisfied husband in the case 
of a separation leaves his wife in possession of the » 
family home and returns to the house of his mother 
or a sister. 
Descent is chiefly reckoned through the mother and 
the counting of relationship in the female line is main- 
tained from generation to generation indefinitely. All 
the members of such a group consider themselves 
relatives of a kind and degree appropriate to the ages 
and generations of the particular individuals. These 
groups of people who consider themselves related 
through their mothers are generally referred to as clans. 
Not only does a form of relationship prevail through- 
out such groups, with appropriate terms of relationship, 
but this relationship is considered to be of such a degree 
that marriage between two members of the same clan 
cannot be considered. Technically the clans are 
