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INTRODUCTION.
XV
figuring as the patrons of learned Brâhmans. As the old hymns were gradually assuming the character of divinely inspired utterances, additional matter might occasionally find its way into them, almost unconsciously, which more adequately expressed the actual scope of the aspirations of their priestly depositaries. That many such additions must have been made to the old hymns, prior to the age of diaskeuasts and exegetes, cannot be doubted.
Another, even more important, source of strength to the sacerdotal order was the sacrifice. The more complicated the ceremonial, the greater the dependence of the lay worshipper on the professional skill of the priests; and the greater the number of priests required for the proper performance of these ceremonies, the larger the gains derived by the priesthood generally from this kind of occupation. What more natural, therefore, than that the highest importance should have been ascribed to these performances, and an ever-increasing attention bestowed on the elaboration of the ceremonial. From clear indications in not a few hymns of the Rig-veda it appears, as has already been remarked, that a distribution of the sacrificial functions among different classes of priests had taken place before the final redaction of that collection. As to the time when such a step may have become necessary for the due performance of sacrifices, this is a question which will probably never be decided. The sacrifice is an old Indo-Iranian, if not IndoGermanic, institution. Some of the chief Indian sacrifices undoubtedly go back, in some form or other, to the common Indo-Iranian period, notably the Soma-sacrifice, and, if we may judge from the coincidence of name between the à pri-hymns and the afri-gân of the Pârsî ritual, the animal sacrifice.
As regards the third great division of Indian sacrifices, the haviryag ñas (or offerings of milk, butter, grain-food, and similar materials), of which the present volume treats, we have hardly any evidence to fall back upon. It is,
* See Haug's Essays, p. 241; Max Müller, History of Ancient Sanskrit Literature, p. 463 seq.
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