VU1 CONTENTS. 



Hydrogen with Carbon Combustion Flame Safety L/nm^ 

 Respiration Animal Heat The Atmosphere Carbonic 

 Acid Influence of Plants on the Air Chemical Phenomena 

 of Vegetation Compounds of Nitrogen Mineral Kingdom, 

 &c. &c. . . . . . ... 295 



CHAPTER XIII. 



TIME. GEOLOGICAL PHENOMENA. 



Time, an element in Nature's Operations = Geological Science- 

 Its Facts and Inferences Nebular Hypothesis applied 

 Primary Formations Plutonic and Metamorphic Rocks 

 Transition Series Palaeozoic Rocks Commencement of Or- 

 ganic Arrangements Existence of Phosphoric Acid in Plu- 

 tonic Rocks Fossil Remains Coal Formation Sandstones 

 Tertiary Formations Eocene, Miocene, and Pliocene 

 Formations Progressive changes now apparent General 

 Conclusions Physics applied in explanation . . 332 



CHAPTER XIY. 



PHENOMENA OF VEGETABLE LIFE. 



Psychology of Flowers Progress of Matter rewards Organiza- 

 tion Yital Force Spontaneous Generation The Vegetable 

 Cell Simplest Development of Organization The Crystal 

 and the Cell Primitive Germ progress of Vegetation 

 Influence of Light Morphology Germination Production 

 of Woody Fibre Leaves Chlorophylle Decomposition of 

 Carbonic Acid Influence of Light, Heat, and Actinism on 

 the Phenomena of Vegetable Life Flowers and Fruits 

 Etiolation Changes in the Sun's Rays with the Seasons 

 Distribution of Plants Electrical and Combined Physical 

 Powers . . . . . . ' . 357 



CHAPTER XV. 



PHENOMENA OF ANIMAL LIFE. 



Distinction between the Kingdoms of Nature Progress of Ani- 

 mal Life Sponges Polypes Infusoria Animalcula 

 Phosphorescent Animals Annelidans Myriapoda Animal 

 Metamorphoses Fishes Birds Mammalia Nervous 

 System Animal Electricity Chemical Influences Influ- 

 ence of Light on Animal Life Animal Heat Mechanical 

 Action Nervous Excitement Man and the Animal Races, 



. &c 383 



CHAPTER XVI. 



GENEEAL CONCLUSIONS. 



The Changes produced on Physical Phenomena by the Movement 

 of the Solar System considered Exertion of the Physical 

 Forces through the Celestial Spaces The Balance of Powers 

 Varieties of Matter Extension of Matter Theory of 

 Nonentity A Material Creation an indisputable fact Ad- 

 vantages of the Study of Science Conclusion . . 403 



