X CONTENTS. 



CHAPTER XLVII. THE SEA AND THE SKY. pAGE 



The Sea Salt Water Waves and their Effects Under Water The Floor of the 



Ocean .' 610 



CHAPTER XLVII I. PHYSICAL GEOGRAPHY. METEOROLOGY. 



The Atmosphere Winds and Air Currents Wind Pressure Storms Rain-clouds 



Water-Spouts Atmospherical Phenomena 628 



CHAPTER XLIX. PHYSICAL GEOGRAPHY. METEOROLOGY (Continued). 



Atmospheric Phenomena Thunder and Lightning Aurora Borealis The Rainbow 

 Mock-Suns and Mock-Moons Halos Fata Morgana Reflection and Refraction 

 Mirage Spectre of the Brocken 642 



CHAPTER L. PHYSICAL GEOGRAPHY. CLIMATOLOGY. 



Weather, Climate, and Temperature Isothermal Lines Isobars, Weather Forecasts, 

 and Signs of the Sky 651 



CHAPTER LI. BIOLOGY. PART I. : BOTANY. 



Plants and Animals Structure of Plants Flowering Plants The Stem The Leaves 

 Forms of Leaves ... ... ... ... ... ... ...- ... ... ... 658 



CHAPTER LIL FLOWERING PLANTS. 



Organs of Increase and Reproduction The Flower The Calyx The Corolla The 

 Stamen The Pistil 675 



CHAPTER LIIL FLOWERING PLANTS (Continued}. 



The Floral Axis Inflorescence Fruit Seed Nutrition of Plants Absorbtion of 



Constituents 679 



CHAPTER LIV. ZOOLOGY. 



Classification of Animals Vertebrates and Invertebrates Protozoa Hydrozoa 



Actinozoa 700 



CHAPTER LV. ECHINODERMATA ANNULOSA-ENTOZOA INSECTA. 



Sea-Urchins Star-Fishes Feathery Stars Sea-Cucumbers' Worms Leeches 



Rotifers Tape Worms Insects 712 



CHAPTER LVL THE ANALYSIS OF CHANCE AND MATHEMATICAL GAMES. 

 Magic Squares The Sixteen Puzzle Solitaire Equivalents 726 



CHAPTER LVIL GAMES (Continued}. 

 The Magic Top The Gyroscope and Scientific Games 740 



CHAPTER LVIIL SCIENCE AT HOME. 

 Scientific Objects for the Household 747 



CHAPTER LIX. DOMESTIC SCIENCE. 

 Science and Domestic Economy 757 



CHAPTER LX. CURIOUS INVENTIONS. 

 Some Curious Modes of Transit 770 



