The science of life : fully illustrated in tone and line and including many diagrams

CONTENTS

CHAPTER III. Lire iw Fresh WATER AND ON LAND

PAGE

§ 1. Fresh-water life ‘ : . 531 § 6. The tropical forest.

§ 2. The life of flowing waters . 534 § 7. Regions of rock, snow, and ice § 3. The life of standing waters . 537 § 8. Island-dwellers

§ 4. Land habitats 2 : . 539 § 9. Cave-dwellers

§5. The desert . . : . 540 § 10. Out-of-the-way modes of life .

CHAPTER IV. Some Spectrat; Aspects oF LIFE

§ 1. Partnership and parasitism . 555 § 3. Colour and pattern in life § 2. The scale of living things . 562

CHAPTER VY. THe Science oF EcoLocy

§ 1. Ecology is biological economics 578 §4. The growth and development § 2. The chemical wheel of life . 578 of life-communities . § 3. The parallelism and variety of §5. The grading of life- communities life-communities . : . 581 § 6. Food-chains and parasite-chains § 7. Storms of breeding and death . CHAPTER VI. Lire unpEer ConTRor §1. The balance of nature. . 607 §3. The beginnings of applied bio§ 2. Pests and their biological control 609 logy

§ 4. The ecological outlook

BOOR VII HEALTH AND DISEASE

CHAPTER I. InFectious AND Conracious DIsEASE

§ 1. Is man particularly unhealthy? 621 § 4. Immunity § 2. Microbes : : . 622 § 5. Avoiding and killing microbes § 3. Insects as microbe-carriers . 62

CHAPTER II. THe NourisHMENT OF THE BoDY

§ 1. Mr. Everyman at table . . 634 § 3. Some possible poisons : §2. The six vitamins . 3 . 636 § 4. Drugs, their uses and dangers .

CHAPTER III. FresH Arr AND SUNLIGHT

St Town air and country air . 646 § 3. Sunlight as a tonic . § 2. The air of a stuffy room . . 648

CHAPTER IV. Tue Present HeattH or Homo SAPIENS

§ 1. The control of epidemic diseases 653 § 4. Tuberculosis § 2. The heart and the lungs . . 653 §5. Mr. Everyman and the fight § 3. Cancer . 3 : ; . 655 against disease :

x

PAGE Da 547 Doo ao 553

584 589 593 597

aD

69 OD = 0

nD He 09 No