CONTENTS. 



CHAPTER I. 



PAGE 



Definition of Biology Differences between dead and living bodies 

 Nature and conditions of life Physical basis of life Pro- 

 toplasm Connection between life and the matter of life Or- 

 ganisation Light Air Temperature Death Use of 

 the term "vital force," . . . . ; . 1-18 



CHAPTER II. 



Differences between animals and plants Regnum Protisticum of 

 Haeckel Higher plants distinguished from higher animals 

 Comparison of the lower animals with the lower plants 

 Form Internal structure Chemical composition Power of 

 locomotion Nature of the food, 19-25 



CHAPTER III. 



Differences between different organisms Morphology Physiology 

 Specialisation of functions Morphological type Synopsis 

 of the main divisions of the animal and vegetable kingdoms, 26-43 



CHAPTER IV. 



Analogy Homology Serial Homology Lateral Homology 

 Homogeny and Homoplasy Homomorphism Mimicry- 

 Correlation of growth, 44-5 



