investigator of, ii. 318, 319, 383.

Necessity, origin and meaning of conception, i. 97;

relation to the actual and possible, ii. 72 seq.;

relation to contingent, ii. 67, 68;

as opposed to freedom, iii. [67], [69];

absolute necessity, 70.

Nerves, i. 131, ii. 173, 185, 481-485.

Newton, Isaac, i. 26, 64, 160, 165, 245, ii. 226, 268, 338.

Nirvana, i. 460, iii. [308] n., [374], [427], [428].

Nitzsch, iii. [269].