ZAMBEZIAThe Journal of theUniversity of ZimbabweVolume 17, No. ii, 1990ZAMBEZIAThe Journal of the University of ZimbabweEditor: Professor R. S. Roberts ISSN 0379-0622CONTENTS Volume 17, No. ii, 1990Housing Policy, Production and Consumption in Harare:Part II Carole Rakodi andN. D. Mutizwa-Mangiza 111Weed Science Technological Needs for theCommunal Areas of Zimbabwe O. A. Chivinge 133Tsika, Hunhu and the Moral Education ofPrimary School Children Carole Pearce 145RESEARCH REPORTConservation in Zimbabwe as Seen by Europeans R. K. Rylatt 7161ESSAY REVIEWPublishing the Past: Progress in the 'Documentson the Portuguese' Series D. N. Beach 175BOOK REVIEWS 185©University of Zimbabwe, 1992.Published by University of Zimbabwe Publications,P.O. Box MP 45, Mount Pleasant, Harare, Zimbabwe.Typeset by University of Zimbabwe Publications.Printed through Print Brokers (Pvt) Ltd., Harare.ZAMBEZIAThe publication of Zambezia, the bi-annual journal of the University ofZimbabwe, has been made possible by the generous support of thePublications Committee of the University. The main focus of the journal,as its name implies, is South Central Africa; but inaugural lectures andspecial articles of a more general interest are also published. Monographsupplements to Zambezia, of which there may be up to ten in a year,cover the main disciplines of the University (Agriculture, Commerce,Education, Engineering, the Humanities, Law, Medicine, Science, SocialStudies, Veterinary Science), and do not necessarily have the sameregional focus as Zambezia itself.ORDERS A complete catalogue of these publications may be obtainedfree of charge on application to the Publications Officer, University ofZimbabwe, P.O. Box MP 45, Mount Pleasant, Harare, Zimbabwe.Standing orders for the journal and/or supplements, under which aninvoice is sent prior to dispatch of the order, are welcomed.