The science of life : fully illustrated in tone and line and including many diagrams
CONTENTS
INTRODUCTION
Tue Rance, NATURE, AND Stupy oF Livinc THINGS
§ 1. The origin and aim of this book 3 §6. A preliminary view of living $2. What do we mean by life ? 4. forms
§ 3. The limitation of life in space . 6 § 7. The progress of biological know§ 4. Is there extra-terrestrial life? . 8 ledge :
§5. The subjective side of life 9
BOOK I THE LIVING BODY
CHAPTER J. Tue Bopy 1s A MACHINE
§ 1, The fundamental routine of two §2. Why we call these bodies living creatures : . . 19 machines
CHAPTER II. Tue Comprex Bopy-MACHINE AND How rr Works
§1. What every schoolboy knows § 5. Breathing ;
about the body : : - 24 § 6. Kidneys and other ‘exhaust or§2. About cells; the lesser lives gans .
within our life : : . 28 § 7. How our food becomes blood . §3. Blood . : : § 8. The continual struggle against § 4. The course of the blood . . 35 infection and chill .
CHAPTER III. Tue Harmony anp Direction oF THE Bopy-MACHINE
§1. Astudy of adjustment . . 63 § 5. Sensation and the senses . § 2. Chemical messengers . . 66 § 6. The nervous mechanism and the § 3. Man and Mouse as individuals. 67 brain § 4. The controlling system. . 68
CHAPTER IV. Tue WEARING Out or THE MACHINE AND ITS REPRODUCTION
§ 1. Age and decay : . 88 : 4. Rhythm and birth . § 2. Reproduction and fonilization : go § 5. Childhood, adolescence, and § 3. The growth and dev eee of maturity the Embryo . : 93 BOOK II
THE CHIEF PATTERNS OF LIFE
CHAPTER I. Tue First Great PoHyLuMm: VERTEBRATES
§1. Classification . 105 § 3c. The more ancient class of
§2. What is meant by 4 “ Phylum ” 106 Reptiles
§3. The classes of the Vertebrate § 3p. The linking Amphibians Phylum ; j ‘ . 109g § 3E. Fishes . . :
§3A. Mammals. : . . 109 § 3r. Cyclostomes, a class of de-
§ 3B. Birds . . . : . 112 sraded antiques
mm
3G. Semi-vertebrates
40
43 47
58
84.
96
113 I14 115
116 117