Custom 



yet when at last in the ever-branching series the 

 complete human being is produced, it knows at 

 once its kinship with all the other forms. " I 

 have passed my spirit in determination and com- 

 passion round the whole earth, and found only 

 equals and lovers." More, it knows its kinship 

 with the animals. It sees that it is only habit, 

 an illusion of difference, that divides ; and it 

 perceives after all that it is the same human creature 

 that flies in the air, and swims in the sea, or walks 

 biped upon the land. 



217 



