________________ 138 Acknowledgements Prevented me from publishing the whole Introduction. What appears here may be supplemented by the following articles in the Bulletin of the School of Oriental and African Studies: (i) 'On the theory of two V asubandhus' (Vol. XXI, Part, 1, 1958); (ii) "The Buddha's prolongation of life' (Vol. XXI, Part 3, 1958); (iii) 'The Vaibhashika theory of Words and Meanings' (Vol. XXII, Part 1, 1959). (IV) the Sautrantika theory of bija (Vol. XXII, Part 2, 1959), (V) The developrnent of the theory of Viprayukta samskaras (Vol. XXII, Part 3, 1959.) School of Oriental and African Studies University of London P.S. Jaini