8 CLASSIFICATION. 



going through other forms until they come 

 to originals. 



I. All animals that live and breed on 

 land or in the water, remaining where they 

 breed, have a simple nature whatever 

 forms they may pass through before they 

 die; but if they change to another form, 

 and do not return back to that of the 

 originals before they die, they have a com- 

 pound or mixed nature. 



II. Next are all that live on the land 

 and deposit their ova in or upon the waters, 

 their young remaining in it until they are 

 perfected by passing through different forms, 

 and then changing back to their originals 

 on land ; some of this class may return 

 yearly to breed in the water ; all these have 

 a compound or mixed nature. 



III. The last class embraces all bipeds, 



