It is needless to enter into further details. Those who shrink from the trouble of reading through Mr. Morgan’s extensive tables, will find an excellent summary of them in the fifth chapter of Sir John Lubbock’s great work on ‘The Origin of Civilization.’ It may, however, be added that the most advanced system of the classificatory group is that of the Karens and Eskimo, which differs from our own in three respects only. The children of cousins are termed nephews; the children of nephews, grandchildren; and a grandfather’s brothers and sisters, respectively, grandfathers and grandmothers. “Hence,” says Sir John Lubbock, “though the Karens and Eskimo have now a far more correct system of nomenclature than that of many other races, we find, even in this, clear traces of a time when these peoples had not advanced in this respect beyond the lowest stage.”[440]
From these systems of nomenclature Mr. Morgan draws very far-reaching conclusions, assuming that they are necessarily to be explained by early marriage customs. Thus, from the “Malayan system,” he infers the former prevalence of “marriage in a group” of all brothers and sisters and cousins of the same grade or generation; or, more correctly, his case is, that if we can explain the “Malayan system” on the assumption that such a general custom once existed, then we must believe that it did formerly exist. “Without this custom,” he says, “it is impossible to explain the origin of the system from the nature of descents. There is, therefore, a necessity for the prevalence of this custom amongst the remote ancestors of all the nations which now possess the classificatory system, if the system itself is to be regarded as having a natural origin.”[441] The family resulting from this custom he calls, in his latest work, the “consanguine family,” and in this, consisting of a body of kinsfolk, within which there prevailed promiscuity, or “communal marriage,” between all men and women of the same generation, the family in its first stage is recognized.[442] Mr. Morgan believes, however, that as a necessary condition antecedent to this form of the family, promiscuity, in a wider sense of the term, may be theoretically deduced, though, as he says, “it lies concealed in the misty antiquity of mankind beyond the reach of positive knowledge.”[443]