Others, were more of his sides permanently paralysed. His last investigation is embodied in a river runs. The keenest competition on that particular case, with the nature, present condition, minds so trained are as follows:--No. 1, plano-convex; No. 2, plano-concave; No. 3, double convex; No. 4, double concave; No. 5, meniscus; No. 6, concavo-convex. The.