Natural Selection (see Selection, natural)

"—— —— Action of, in producing Old Age, Decay, and Death," Wallace's, ii. [44]

"—— —— Contributions to the Theory of," Wallace's, i. 94, 250, 252, ii. [5], [6]

"—— —— from a Mathematical Point of View," Bennett's, i. 253

Nebular hypothesis, Spencer's, i. 151;
Wallace on, ii. [174]

Neo-Lamarckians, ii. [47], [60], [64]

New Zealand, aborigines of, i. 239;
colonisation of, 290;
fauna and flora of, 291, 295, 305, 307, ii. [20], [33], [34]

"Newton of Natural History," the, i. 76

Newton, Prof. A., i. 105, ii. [8], [36]

"Nicaragua," Belt's, ii. [36]