i6o HIDDEN BEAUTIES OF NATURE 



reared and continents are receiving additions owing 

 to their incessant activity. 



By studying Nature closely we shall soon perceive 



Fig. 47. Corals with extended Polyps. 



that the agents employed by the Creator in the 

 construction of vast areas of the rocky formations of 

 the world were and are for the most part exceedingly 



