144 



INDEX 



Metabolism, anoxygenic - (anae- 

 robic -), 59, 60, 82 



Metamorphism, 29, 64, 65, 73, 74, 

 93, 98 



Metazoa. 127 



Microbes, 47, 67, 70. 75, 76, 92, 

 106, 125, 131 



Miller, S. L., 51, 52 



Minnesota, 110 



Minette iron ores, 109 



Miocene, 40 



Mississippian, 40, 132 



Missourian, 40 



Montmorillonite, 116 



Moore. R. S., 131 



Morphological diversity of present 

 life, 45. 57. 58, 129 



Mountain-building, 64. 65 



Muscovite, 1 16 



Mutant, 59 



Namurian, 40 

 Napels, 10, 16-18 

 Natural selection, 130 

 Negaunee iron formation, Michi- 

 gan, 88 

 Neozoic (= Cenozoic), 24. 39-41 

 New Red. 112 



Ochoan, 40 

 Oil. 118 

 Old Red. 112 

 Oligocene. 40 

 Ontario. 83-88. 99, 109 

 Oparin, A. I.. 42. 48 

 Optical activity, 117, 118 

 Ordovician, 40, 91, 132 

 Origin of life through natural cau- 

 ses, 2-4, 57. 120. 129 

 Orogeny, Alpine -. 68 



Orogeny, Caledonian -, 68, 73 

 Orogeny, Grenville -, 41, 113 

 Orogeny, Hercynian -, 68 

 Orogeny, orogenetic cycle, 28, 29, 



65, 66, 72-74, 112 

 Oxidation, inorganic -, 46, 49 

 Oxidation, organic -, 46, 49 

 Oxide minerals, 95-97, 1 1 1 

 Oxygen, free -, 47-49, 51, 52, 59- 



63, 92, 95, 115, 118, 120, 134 

 Ozone, layer of -, 47, 49, 60 



Paleozoic, 24, 39-41, 112, 131-133 

 Parent element, 30 

 Paris basin, 22 

 Pasteur, Louis, 1 17 

 Pcnnsylvanian, 40, 132 

 Permian, 40, 112, 121, 132 

 Pharusian, 89-92 

 Phosphate esters, 57, 129 

 Photosynthesis, inorganic -, 49, 51, 



58, 115, 120, 128, 129, 134 

 Photosynthesis, organic -, 49, 60, 



63, 115, 119, 134 

 Physical clocks, 25, 29 

 Pirie, N. W., 6, 57, 58, 60, 129 

 Pitchblende, 31, 99. 100, 104, 106, 



109 

 Placer deposits, 100 

 Pleistocene, 40 

 Pleochroitic rings, 26, 27 

 Pliny the Younger, 9, 14, 15 

 Pliocene, 40 

 Polyphyletic origin, 128 

 Pompei, 15 

 Porphyrin, 49 

 Potassium-argon method of dating, 



30. 31. 37. 38 

 Pozzuoli. 17. 18 

 Pre-Cambrian. 39, 68-73, 77-81, 



83, 89-92, 97, 110, 116, 133 

 Pre-Cambrian, early -. 76 



