rOlIAMlNIFEUA. 



381 



variety. In the Liglicr orders of plants and animals the 

 epecitic forms are more definite, there being a more com- 

 plex organization, harmonizing with the special habits of 

 each creature ; and the i'ndividuals of each species are less 



Fig. 209. — Foraminifcra taken in hu ii-^ru .'-uuiuHj'fjs. (Ailniith.) 



•nnmerons than is the case in the Protozoans and Proto- 

 phytes." 



These lowly organized Foramin{fe7^a, having grent 

 simplicity of structure, more easily adapt themselves to 

 varying external conditions than the mere complex and 

 specialized higher animals. 



