at the different grades of nature, i. 170-172;
language of nature with reference to, i. 355, 356, iii. [108] seq., [416], [417];
destruction of, by death, iii. [286], [298] seq.
Induction, ii. 310.
Infinite, true conception of, ii. 115.
Inquisition, i. 466 n.
Innocence, of plants, i. 204.
Insects, fertilisation of plants by, iii. [90];
life of severed parts of, ii. 483;
ephemeral nature of, iii. [267].