1. Cf. W. C. Wildman, The Alkaloids (Edited by R. H. F. Manske) Vol. VI; p. 289. Academic Press, New York (1 54)
2. The Structure of Amaryllisine
3. A.L. Burlingame, P. Longevialle, R.W. Olsen, K.L. Pering, D.H. Smith, H.M. Fales and R.J. Highet, in preparation.