1. Adiga, P. R., Sivarama Sastry, K., Venkatasubramanyam, V. and Sarma, P. S. “Interrelationships in trace element metabolism in metal toxicities inCorcyra cephalonica,”Proc. Soc. Exptl. Biol. Med., 1962,109, 151–53.
2. Akutsu, I... “Manganese content in the silkworm eggs, pupae, mulberry leaves and silk fibroin,”Res. Rep. Eng. Text. Seric. (Shinshu Univ.), 1954,4, 85–86.
3. —————.. “Zinc content of silkworm eggs, pupae, mulberry leaves and silk fibroin,” Ibid., 1955,5, 142–43.
4. —————.. “Iron content of silkworm eggs, pupae, mulberry leaves and silk fibroin,” Ibid., 1956,6, 153–55.
5. Arnaudo, M... “Effect of cobalt on the life-cycle of the silkworm,”Atti. Soc. Ital. Sci. Vet., 1954,8, 279–82.