CONTENTS 



PART I. 

 THE REALM OP ORGANISMS AS IT IS. 



LECTURE J, 



PAQE 



THE UN FATHOMED UNIVERSE AND THE AIM OF 



SCIENCE 3 



§ 1. Man's Early Outlook on Naturt", 3 — §2. Growing Rec- 

 ognition of a Scientific Order, 4 — § 3. Aims of Science, 8 — 

 §4. Limitations of Natural Knowledge, 13 — §6. The Func- 

 tion of Feeling in our View of Nature, 25 — § 6. Towards 

 a Philosophical Interpretation of Nature, 34 — § 7. Science 

 and Religion, 39. 



LECTURE //. 



THE REALM OF ORGANISMS CONTRASTED WITH THE 



DOMAIN OF THE INORGANIC 49 



§L Things and Living Creatures, 49 — §2. The Charac- 

 teristic Features of the Realm of Organisms, 50 — § 3. A 

 Multitude of Individualities, yet a Sjstema Naturse, 61 — 

 § 4. Abundance and Insurgence of Life, 53 — § 5. Struggle 

 and Sifting, 56 — § G. A System of Inter-related Lives, 58 — 

 S 7. The E^revalence of Adaptations, 59 — § 8. The Pervasive- 

 ness of Beauty, 62— § 9. The Other Side of the Picture, 63— 

 § 10. Resemblances between the Realm of Organisms and 

 the Domain of the Inorganic, 63 — § 11. Contrasts between 

 the Realm of Organisms and the Domain of the Inorganic, 

 71 — § 12. The Suitability of the Inorganic to be the Basis 

 and Environment of the Organic, 73. 



LECTURE III. 



THE CRITERIA OF LIVINGNESS 79 



§ 1. Living and Not-living, 79 — §2. The Essential Charac- 

 teristics of Living Organisms, 80 — § 3. Persistence of a Com- 

 plex Specific Metabolism and of a Corresponding Specific 

 Organisation, 81 — § 4. The Capacity of Growth, Reproduc- 

 tion, and Development, 91 — § 5. Effective Behaviour, Regis- 

 tration of Experience, and Variability, 97. 



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