RECOIID OF LIFE IX TlIK EOCKS. 



169 



viously mentioned groups in the objects which the Crea- 

 tor had in view in introducing them. While the plants 

 of this class, like those of the former classes, add by their 

 decay to the nutritious material of the soil, their chief 

 design is to afford nutrition directly to the animal king- 

 dom. What was in the other classes only an incidental 

 object, is in this the primary one. while the primary of 

 those classes is here the incidental. The chief object of 



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