lYEW VIEWS OF ANIMAL TRANSFORMATIONS. 635 



ual is now definitely constituted. Is not this the same law which 

 presides over the transformation of savages into civilized people? 

 Have not nations, corporations even, a consciousness and will ? Do 

 they not form great units which we designate by one word in cur- 

 rent language ? 



The transformations we have followed step by step in the class of 

 Polyps are not restricted to these animals. It is easy to show how 



Fis. 12.— Tbematode Worm. 



simple forms are again associated, in the group of Worms, to obtain the 

 more complex forms. We find here the same laws as in studying the 

 Polyps. Long ago, Van Beneden, Professor at the Catholic Univer- 

 sity of Louvain, afiirmed that each joint of a tape-worm (Fig. 11) was 



Fig. 13.— Somites op Insect. 



the equivalent of a Trematode worm (Fig. 12) ; and Douve still ear- 

 lier taught that the rings of a worm, or of an insect, were considered 



