CHAPTER VI. 



HEROES OF ZOOLOGY. 



The nature of the science of zoology — Great zoologists usually 

 botanists also — Aristoteles as a zoologist — Plinius — The long 

 age of no progress— The life of Conrad Gesner — The zoology 

 of Ray and Willughby — Swammerdam — Reaumur — The 

 zoology of Linnaeus. 



Zoology does for animals what botany does for 

 plants. It is the science which treats of the 

 resemblances and differences of animals, their 

 shapes, and habits, and which explains their 

 position on the earth in different countries, and 

 classifies them. It is inseparably linked on to 

 the study of comparative anatomy and to phy- 

 siology which treats of the internal structures 

 and the influence which the outside world has 

 upon the living thing. Like botany, the science 

 arose in a simple manner, and men first of all 

 learned to distinguish one animal from another, 

 giving them names. Then their habits were 

 noticed, and some attempt was made to arrange 

 animals by their greater or less resemblances of 



