558 



INDEX 



:\rars, no true ice-cap on, 166 

 ^Marsupials, range of, 30 

 ilarsh, Prof. O. C, on the Atlantosaurus, 

 OS 

 on Hesperornis, 481 

 Marsh, Mr., on camels as desert-makers, 



296 

 Mascarene Islands, 428-445 

 Mascarene plants, curious relations of, 

 442 

 endemic genera of, 443 

 Mascarene flora, fragmentarj' character of. 

 444 

 abundance of ferns in, 445 

 ^Mauritius, Bourbon, and Kodriguez, 434 

 Measurements of geological time, 233 

 agreement of various estimates of, 



235 

 concluding remarks on, 236 

 Medicago sativa in New Zealand, 515 

 Megalaemida;, 27 

 Meleagris, 50 



Melilotus vulgaris, on railway banks, 513 

 Meliphagidge, 47 

 Melliss, Mr., on the early history of St. 



Helena, 295 

 Melospiza vielodia, variation of, 58 

 Merycotherium, 123 

 Meteorological causes as intensifying gla- 



ciation, 142 

 Migration caused by glacial epoch, 122 

 of birds to Bermuda, 267 

 of plants from north to south, 512 

 of plants and alterations of snowline, 



516 

 of plants due to changes of climate, 



517 

 of plants from north to south, long 



continued, 518 

 of plants aided by geological changes, 



519 

 of plants by wav of the Andes, 



520 

 of plants by way of Himalayas and 



South Asia, 523 

 of idants through Africa, 524 

 Mild Arctic climates, stratigraphical evi- 

 dence of, 187 

 causes of, 190 

 dependent on geographical changes, 



191 

 effects of high excentricity on, 198 

 suTumary of causes of, 537 

 Miocene Arctic flora, 183 

 flora of Europe, 123 

 or Eocene floras, 185 

 deposits of Java, 385 

 faima of Europe and North India, 

 419 

 Mississippi, matter carried away by, 172 

 Mitten, Mr. William, on peculiar British 

 mosses and hepaticse, 365, 368 

 on temporary appearance of plants, 

 513 

 ]\riiintiltidfe, a nearctic group, 49 

 Mnium, peculiar species of, in the Drout- 



heim mountains, 368 

 Moas of New Zealand, 476 



MoUusca, dispersal of, 78 

 ^lonotremata, restricted range of, 30 

 Moraines, 108 



of Ivrea, 116 

 More, ^Ir. A. G., on peculiar Irish plants, 



364 

 Morgan, Mr. C. Lloyd, on thickness of 

 formations not affected by denuda- 

 tion, 220 

 Moseley, Mr. H. N., on seeds can-ied by 

 birds, 259 

 on the flora of Bermuda, 272 

 Mosses, peculiar British, 866 



non-European uenera of, in Britain, 



367 

 liow diffused and why restricted, 

 368 

 Mt. St. Elias, why not ice-clad, 154 

 Mountain chains "^ aiding the dispersal of 

 plants, 81 

 as aids to migi-ation of plants, 513 

 [Mueller, Baron von, census of Australian 



plants, 492 

 Munia brunneiceps, in Celebes, 463 

 Miu-ray, Mr. J. , on oceanic deposits, 86 

 on chaik-like globigerina-ooze, 92 

 on mean lieight of continents, 216 

 on land-area of the globe, 221 

 Mus, 17, 26 



Mygale pyrenaica, range of, 15, 24 

 M. muscovitica, 24 

 Myialestcs helianthea in Celebes, 463 

 Myricafaya, 200 

 Myrsine, fossil in Greenland, 186 

 Mytilus edulis, sub-fossil in Spitzbergeii, 

 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 natura- 

 lized in, 528 

 Neotropical Region, definition of, 51 



low types of, 52 

 Nevill, Mr. Geoffrey, on land-shells of the 

 Seyclielles, 4:34 



on destruction of Seychelles flora, 445 

 New species, origii' 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 



maimnalia of, 474 



