Non-inheritance of acquired characters, ii. [44]-5, [54], [70], [71], [72], [73];
Prof. Poulton's address on, [79]
Norman, Dr., and Wallace, ii. [137]
Norris, Dr. Richard, i. 244, ii. [136]
—— Miss, ii. [136]
"Norwegian Flora, Immigration of," Blytt's, i. 293
O
Oceanic islands, colonisation of, i. 132, 133, 138, 290;
flora of, 210-212, 305
Onomatopoeia, ii. [66]
Orang-utans, i. 53, 56, 57, ii. [30]
"Orchids," Darwin's, i. 143, 297