1. Chem. and Indust., 50 (1963).
2. Butt, A. (personal communication, 1962).
3. Rep. Interdepartmental Working Party on Groundnut Toxicity Research, D.S.I.R. (1962) and references cited therein.
4. Johnson, R. (personal communication through Dr. A. Butt, 1962).
5. Allcroft, R., and Lewis, G., Vet. Rec. 75, (in the press).