
INDEX. 
Mountain-making in Tertiary time, 836, 
879; a slow process, 879, 920 
_ Mountain Limestone, 738 
Mourne Mountains, granite of, 542 
- Moya, or carbonaceous volcanic mud of 
Quito, 233 
Mud, 160 
Mud-lava, 203, 232, 234, 245 
Mud-lumps of Mississippi, 386 
Mudstone, 161 
Mud-volcanoes, 234, 245 
Murchisonia, 666, 697, 753 
Murex, 793, 862, 846, 854, 855, 881 
Mus (Mouse), 875 
Musa, 846 
Muschelkalk, 768 
Muscovite, 73 
Musk-deer, 868 
Musk-rat, earliest known, 856 
Musk-sheep in Glacial Period, 891, 898, 
906 
Mustela, 878 
Mya, 874, 897 
Myacites, 774 
Myalina, 741 
Myliobates, 840, 857 
Myogale (water shrew), 875 
Myophoria, 761 
Myriapods, earliest forms of, 710, 732 
Myricacex (Bog-myrtle), fossil, 803, 839, 
862 
Myrtus, 862 
Mysarachne, 856 
Mytilus, 676, 756, 777*, 866, 873, 879 
Nagelfluh (Oligocene), 860 
Naphtha, 172 
Naples, upheaval in Bay of, 277 
Napoleonite, 143 
Nari Group, 852 
Nassa, 873 
Natica, 723, 762, 774, 779*, 806, 840, 844, 
895* 
Naticella, 762 
Nautilus, 666, 700, 724, 725*, 753, 762*, 
810*, 846 
Nebule, composition of, 10 
Nebular hypothesis, 6, 13 
Necks, voleanic, 143, 163, 558 
Necrocarcinus, 819 
Necrolemur, 856 
Negative crystals, 96 
Nemacanthus, 767, 790 
Nematophycus, 662 
Nematoptychius, 740 
Neocomian, 814, 816, 824, 828, 829 
Neogene, or younger Tertiary, 836, 861 
Neolithic deposits, 906 
Nepheline, 78, 97; detection of, 193 
Nepheline-rocks, 150 
Neptune, planet, 8 
Neptunists and Plutonists, 298 
Nereites, 664 
Nerinzxa, 793, 806 
957 
Nerineen-Schichten, 799 
Nerita, 779*, 866 
Neritina, 845 
Neseuretus, 655 
Netherlands (see Holland) 
Neuroptera, early forms of, 732, 780*, 783 
Neuropteris, 708, 726, 727*, 756 
Nevada, voleanic phenomena of, 209; salt 
lakes of, 400 
“ Neévé,’ or snow-ice, 110 
New England, regional metamorphism of, 
585 
Newfoundland, Cambrian of, 660 
New Hampshire, local metamorphism in, 
581 
New Red Sandstone (see Triassic System) 
New Zealand, geysers of, 236; volcanic 
action in, 260; earthquakes in, 271; 
raised beaches of, 280; Archean rocks 
of, 646; Jurassic, 801; Cretaceous, 834 ; 
Tertiary, 881 ; glacier period in, 901 
Niagara, Falls of, 373, 376; gorge of not 
due to dislocation, 378; water of fil- 
tered by Lake Erie, 373 
Niagara formation, 692 
Nicol prisms, 187 
Nidulites, 663, 670 
Nile, slope of, 363; delta of, 390 ; floods 
of, 359 
Nineveh, accumulation of dust at, 322; 
altered glass from, 333 
Niobe, 655 
Niobrara Group (Tertiary), 881 
Nipadites, 838, 839* 
Nitric acid in rain, 330 
Nitrogen at volcanoes, 202 
Nodosaria, 804 
Nodules in strata, 488 
Noégqgerathia, 734 
Northampton Sand, 792 
North Sea, nature of bed of, 438, 450; 
choked with ice in Glacial Period, 887 
Norway (see Scandinavia) 
Norwich Crag, 873 
Nosean, 78 
Nothosaurus, 767 
Nototherium, 881 
Novaculite, 122 
Nova Scotia, coal-measures of, 289; land 
animals preserved in hollow tree-trunks 
in coal-measures of, 496 
Novaja Zemlja, elevation of, 276, 280 
Nucleolites, 804 
Nucula, 723, 762, 
874* 
Nullipores, protective influence of, 456 
Nummulina, 722 
Nummulites, 838, 839*; as a type-fossil, 
615 
Nummulitic Limestone, upheaval of, 837 ; 
wide extent of, 838, 851 
Nyssa, 846 
Nystia, 857 
TT7*, 819, 847, 853, 
