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Published online by Cambridge University Press: 24 October 2008
1. In the first paper of this series I have explained a method by which the complete irreducible system of combinants of a pencil of quadric surfaces may be obtained, and have determined explicitly the combinantal invariants and covariants. The present paper deals with combinantal contravariants. The notation used is that of I, a knowledge of which will be assumed.
* Todd, , Proc. Cambridge Phil. Soc. 43 (1947), 475. We shall refer to this paper as I.CrossRefGoogle Scholar