In keeping with the tradition of this highly successful and respected series, Volume 70 contains 31 procedures, carefully checked and edited by independent laboratories. For the first time, procedures are accompanied by a new section on waste disposal data. This includes any special disposal of chemical waste utilized by the submitters in order to comply with modern, clean disposal practices of toxic materials. This monograph should be consulted by all users of these volumes, in keeping with current trends to preserve the environment.

Heiko Priimers Zum Problem des "Axtgeldes" im Alten Peru . . . . . . . . . . . . . . . . . . . . . . . . . 11 Albert Meyers Ethnizitiit und ethnische Transformationen in einer Kolonialgesellschaft. Die Wanka in Zentralperu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Carmen Arellano Hoffmann Zu Bedeutung und Gebrauch des Begriffs Ayllu. Neue Erkenntnisse iiber die inn ere Funktion eines Ayllu anhand des Beispiels einer kolonialzeitlichen Dorfgemeinschaft in Tarma/Peru . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....