Contents 



CHAPTER XXVI 



PAGE 



CORALS, WORMS, ETC. . . . . .287 



The Story of the Amoeba The Building of the Ocean Floor 

 Sponges Corals and their Story A Battle Royal More 

 Lives than a Cat The Sea-urchin's Comb The Earthworm 

 and his Home 



CHAPTER XXVII 



PARASITES AND PREDATORS . . . ". 296 



A Useful Ladybird A Predaceous Beetle The Tragedy of 

 the Museum-beetle A Parasite indeed The Story of the 

 Liver-fluke 



INDEX ....... 307 



