+133+. A more advanced ritual occurs among certain agricultural tribes, among whom is found a more elaborate use of blood and a definite recognition of superhuman beings. In these communities it is regarded as necessary to profitable tilling to fertilize the soil with the blood of a slain victim, sometimes human (as among the Khonds of Orissa, the Pawnees, and others[267]), sometimes bestial (as in Southern India[268]); parts of the victim's flesh are buried, or blood is sprinkled on the seed, and homage is paid to a sacred stone or some similar object. +134+. In more civilized agricultural communities these ceremonies persist in attenuated form. There is a sacrifice of first-born animals to a deity and an offering of the first fruits of the field; and as children, no less than crops, are the gift of the gods, whose bounty must be recognized, it is not surprising to find that, along with the first fruits of the field, first-born children are sometimes sacrificed to the deity. Such a custom is reported as existing or having existed in New South Wales, Florida, East Africa, heathen Russia, the Fiji Islands, and Northern India.[269] A trace of the custom among the early Hebrews is, probably, to be recognized in the provision of the Old Testament code that the first-born children are to be redeemed by an animal sacrifice.[270] +135+. In the course of time many ceremonies grew up in connection with the procuring and housing of crops and other supplies. In Australia the men of the clan charged with assuring any sort of food were unarmed and fasted during their ceremony.[271] Among the Kondyan plowing and sowing are solemn seasons, an auspicious day is chosen, and there are religious songs and choruses.[272] For the Hos of Northeastern India the harvest home is a great festival, held with sacrifice and prayer (though also with great license of manners).[273] A dim conception of law underlies all these procedures. The law is sometimes natural, as in imitative processes, sometimes religious, as when blood is employed or the agency of religious official persons is called in. +136+. The economical importance of rain has led to various quasi-scientific and magical devices for securing it, and to the rise of professional rain makers. The methods commonly employed are mimic representations of rainfall or of a storm.[274] The Australian Arunta have a rain clan whose function is to bring the desired supply by nonsacred dancing festivals and sacred ceremonies. A more advanced method is to dip a stone, as rain-god, into a stream.[275] Certain American tribes assign the duty of rain making to secret societies or to priests. +137+. All such economical ceremonies disappear with the progress of knowledge, though traces of them linger long in civilized communities. Messrs. Spencer and Gillen note the gradual disappearance of the economical and magical aspect of ceremonies in parts of Australia, and a similar process is to be observed elsewhere.[276]