1. Bach-y-Rita, P., Acta Neurol. Scand., 43, 417 (1967).
2. Collins, C. C., Nat. Symp. Information Display (abstract), 8, 290 (1967).
3. Bach-y-Kita, P., and Collins, C. C., Invest. Ophthalmol. (abstract), 6, 669 (1967); Bach-y-Kita, P., and Collins, C. C., White, B., Saunders, F., Blom-berg, K., and Scadden, L., ibid, (in the press).