Psophia, range of species of, [18]
Pteroptochidæ, [29]
Pyrenean ibex, restricted range of, [15]
R.
Railways, new plants on, [513]
Ramsay, Mr. Wardlaw, on Philippine birds, [388]
Professor, on ancient land surfaces, [99]
on geological time [212]
on thickness of sedimentary rocks, [219]
Rat, native, of New Zealand, [475]