Zealand, 476
Mollusca, dispersal of, 78
Monotremata, restricted range of, 30
Moraines, 108
of Ivrea, 116
More, Mr. A. G., on peculiar Irish plants, 364
Morgan, Mr. C. Lloyd, on thickness of formations not affected by
denudation, 220
Moseley, Mr. H. N., on seeds carried by birds, 259
on the flora of Bermuda, 272
Mosses, peculiar British, 366
non-European genera of, in Britain, 367
how diffused and why restricted, 368
Mt. St. Elias, why not ice-clad, 154
Mountain chains aiding the dispersal of plants, 81
as aids to migration of plants, 513
Mueller, Baron von, census of Australian plants, 492
_Munia brunneiceps_, in Celebes, 463
Murray, Mr. J., on oceanic deposits, 86
on chalk-like globigerina-ooze, 92
on mean height of continents, 216
on land-area of the globe, 221
Mus, 17, 26
_Mygale pyrenaica_, range of, 15, 24
_M. muscovitica_, 24
_Myialestes helianthea_ in Celebes, 463
_Myrica faya_, 260
Myrsine, fossil in Greenland, 186
_Mytilus edulis_, sub-fossil in Spitzbergen, 182

N.
Nares, Capt. Sir G., on snow and ice in high latitudes, 135
on abrupt elevation of Bermuda, 264
Nearctic Region, definition of, 48
mammalia of, 48
birds of, 49
reptiles of, 50
_Nectarinea osea_, restricted range of, 16
Neilgherries, Australian plants naturalized in, 528
Neotropical Region, definition of, 51
low types of, 52
Nevill, Mr. Geoffrey, on land-shells of the Seychelles, 434
on destruction of Seychelles flora, 445
New species, origin of, 56
Newton, Mr. E., on short wings of the Seychelles dove, 437
Newton, Professor, on recently extinct birds, 437
Newts, restricted range of, 30
New Zealand, recent glaciation of, 163
New Zealand, 471
geology of, 472
form of sea-bottom around, 473
zoological character of, 473
mammalia of, 474
{559}
wingless birds of, 476
past changes of, 478
winged birds and lower vertebrates of, 482
deductions from peculiarities of fauna of, 484
period of its union with N. Australia, 484
the flora of, 487, 506
origin of Australian element in the flora of, 498
tropical character of flora, 500
tropical genera common to Australia, 501
temperate species common to Australia, 502
route of Arctic plants to, 521
European plants in, 509
endemic genera of plants in, 526
great antiquity of, 526
Nord