CONTENTS 



CHAPTER I 



PAGE 

 THE SCOPE OP ZOOLOGY 5 



Origin of the term zoology Origin of the ideas of "life" 

 of *' animal " and " plant " Modern scientific definitions 

 of these terms. 



CHAPTER II 



THE PRACTICAL IMPORTANCE OF ZOOLOGY 8 



Similarity of the bodies of animals and men, and its bearing 

 on medical science Importance of zoology on account 

 of its bearing on food supply The bearing of zoology 

 on social problems. 



CHAPTER III 



THE LIVING SUBSTANCE . . . . . .14 



The seat of life in animals The manifestations of life The 

 nature of contraction The nucleus and its functions 

 Secretion Definition of the term " cell " Definitions 

 of metabolism, respiration and excretion, &c. Bio- 

 chemistry Chemical nature of proteid. 



CHAPTER IV 



THE VARIOUS KINDS OF CELLS : THE TISSUES . . 22 



Epithelial cells Glandular cells Transitions between epi- 

 thelial cells and muscular and nervous cells Skeletal 

 cells Reproductive cells Definition of tissue Skeletal 

 tissue Muscular tissue Glandular tissue, 

 iii 



