ii2 MINUTE MARVELS OF NATURE 



cells, each forming the dwelling-place of a living 

 inhabitant, which is called a "polype." Figs. 72 



Fig. 72. An animal-plant which has beautiful coralline branches. 

 The actual size is shown in the square to the left 



and 73 show other dwelling-houses of the polypes. 

 The former of these has, like our first specimen, 

 tiny tubular cells arranged on opposite sides of 



