INDEX. 



357 



Magnesian carbonate of lime 104 



Magnetic iron ore 71 



Mammals 260 



Mammals of Tertiary period 380 

 Mammals of Triassic period 344 

 Mammoth Cave of Kentucky 16 



Mammoths 405 



Man, creation of 441 



Man, changes made by 208 



Man one species 422 



Man's place in nature 423 



Manganese 88 



Marble . 102 



Master-joints 212 



Mastodons 408 



Matter, circulation of. 438 



Matter, forms of. 2 



Megalonyx 410 



Megalosaur 357 



Megatherium 410 



Mercury 89 



Mercury, sulphate of. 56 



Metamorphic rocks 211 



Mesozoic time 261 



Mica 130 



Microscopic animals in rock 339 



Minerals, forms of. 1 



Minerals in living substances 17 

 Minerals, simple and com- 

 pound 9 



Mines, salt 98 



Minium 81 



Miocene 368 



Mollusks 258 



Mollusks in age of Coal 334 



Mollusks in Cretaceous pe- 

 riod 363 



Mollusks in Devonian age ... 297 



Mollusks in Silurian age 286 



Mollusks in Tertiary period.. 378 



Moraines 188, 190, 402 



Moraines, cities built on 402 



Mosaic record, authenticity 



of 427 



Mosaic record, days in 428 



Mountain-making in Tertiary 

 period 385 



Mountains, arrangement of.. 162 



Mountains, how made 226 



Mountains, relation of, to 



fertility 167 



Mylodon 409 



Naphtha 46 



Nautilus 286 



Niagara Falls, recession of... 183 

 Niagara River, changes in 392, 399 



Nickel 86 



Nummulites 239 



Nummulitic formation 372 



Oaze 239 



Obsidian 155 



Olivine 152 



Onyx 114 



Oolite 102 



Opal 115 



Ores 66-68 



Organic agencies 207 



Organized substances 3 



Orpiment 55 



Orthoceras 286 



Osmium 94 



Oxysalts 95 



Pachydermata of Tertiary 



period 382 



Palaeotherium 382 



Palaeozoic time 261 



Palisades 154 



Feat 43 



Pebbles 234 



Permian period 335 



Petrifactions 118 



Petroleum 46 



Pitchstone 155 



Placoids 299 



Plateaus 164 



Platinum 48 



Plesiosaurus 354 



Pliocene 14 



Pompeii 195 



Porphyry 152 



Portland dirt- bed... ,.. 350 



