CHAPTER I.
INTRODUCTORY.
In a valuable pamphlet on the Dieyeri (Cooper's Creek) tribe of Australian aborigines, Mr. Samuel Gason tells us the following legend with regard to the custom called Mǔrdu:—
"After the creation, brothers, sisters, and others of the closest kin, intermarried promiscuously, until—the evil effects of these alliances becoming manifest—a council of the chiefs was assembled to consider in what way they might be averted, the result of their deliberations being a petition to the Muramura (Good Spirit), in answer to which he ordered that the tribe should be divided into branches, and distinguished one from another by different names, after objects animate and inanimate, such as dogs, mice, emu, rain, iguana, and so forth; the members of any such branch not to intermarry, but with permission for one branch to mingle with another. Thus, the son of a dog might not marry the daughter of a dog, but either might form an alliance with a mouse, rat, or other family. This custom is still observed, and the first question asked of a stranger is, 'What murdoo?'—i.e., 'Of what family are you?'" ("Gason's Dieyeri Tribe," p. 13. Cox: Adelaide, South Australia, 1874)
There can be no doubt that this is a genuine Australian legend. Mr. Gason is well known as a trustworthy person. He has an intimate acquaintance with the people of whom he writes, and he speaks their language fluently. But, whatever may be thought of the legend itself, or of its value as evidence with regard to the state of society to which it
