Xll 



CONTENTS 



CHAPTER 



XVIII. 



XIX. 



ADAPTATION OF ORGANISMS 



A. Adaptations to the Physical Environment 



1. Adaptations Essentially Functional . 



Food 



Temperature 



Pressure 



2. Adaptations Essentially Structural . 



Adaptive Radiation of Mammals . 



Animal Coloration 



The Legs of the Honey Bee 



B. Adaptations to the Living Environment . 



1. Communal Associations 



2. Symbiosis 



3. Parasitism 



4. Immunity 



C. Individual Adaptability 



THE ORIGIN OF SPECIES 



A. Evidences of Organic Evolution 



1. Taxonomy 



2. Comparative Anatomy 



3. Paleontology 



4. Embryology 



5. Physiology 



6. Distribution 



B. Factors of Organic Evolution 



EPOCHS IN BIOLOGICAL HISTORY 



A. Greek and Roman Science 



B. Medieval and Renaissance Science 



C. The Microscopists 



D. The Development of the Subdivisions of Biology 



1. Taxonomy 



2. Comparative Anatomy 



3. Physiology 



4. Histology 



5. Embryology 



6. Genetics 



7. Organic Evolution 



APPENDIX 



I. CLASSIFICATION 



A. Plants . 



B. Animals 

 II. BIBLIOGRAPHY 



III. GLOSSARY 



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INDEX 



457 



