Tibet is one of the few regions where polyandrous customs, intimately associated with the matriarchal state, still persist almost in their pristine vigour. The husbands are usually but not necessarily all brothers, and the bride is always obtained by purchase. Unless otherwise arranged, the oldest husband is the putative "father," all the others being considered as "uncles." An inevitable result of the institution is to give woman a dominant position in society; hence the "queens" of certain tribes, referred to with so much astonishment by the early Chinese chroniclers. Survivors of this "petticoat government" have been noticed by travellers amongst the Lolos, Mossos, and other indigenous communities about the Indo-Chinese frontiers. But it does not follow that polyandry and a matriarchal state always and necessarily preceded polygyny and a patriarchal state. On the contrary, it would appear that polyandry never could have been universal; possibly it arose from special conditions in particular regions, where the struggle for existence is severe, and the necessity of imposing limits to the increase of population more urgent than elsewhere[398]. Hence to me it seems as great a mistake to assume a matriarchate as it is to assume promiscuity as the universal antecedent of all later family relations. In Tibet itself polygyny exists side by side with polyandry amongst the wealthy classes, while monogamy is the rule amongst the poor pastoral nomads of the northern steppe. Great ethnical importance has been attached by some distinguished anthropologists to the treatment of the dead. But, as in the New Stone and Metal Ages in Europe cremation and burial were practised side by side[399], so in Tibet the dead are now simultaneously disposed of in diverse ways. It is a question not so much of race as of caste or social classes, or of the lama's pleasure, who, when the head has been shaved to facilitate the transmigration of the soul, may order the body to be burnt, buried, cast into the river, or even thrown to carrion birds or beasts of prey. Strange to say, the last method, carried out with certain formalities, is one of the most honourable, although the lamas are generally buried in a seated posture, and high officials burnt, and (in Ladakh) the ashes, mixed with a little clay, kneaded into much venerated effigies--doubtless a survival of ancestry worship.