CHAPTEE YL 



RIDING A SHAKK. 



The black nurse Tom's ride Graining cray-fish The coral-heads 

 The home of the cray-fish Submarine aquariums Spearing 

 an octopus The cloud of ink Head-footed animals. 



OB, an instant Tom was lost 

 to sight, but he soon reap- 

 peared, rope in hand, now under 

 water and now above, rushing 

 at railway speed behind his 

 strange steed, which was plow- 

 ing along, making Tom snort 

 like a grampus. 



" Hang on, Tom ; don't 

 let go ! " shouted the boys. 

 "We'll pick you up." 

 Tom, who was an excellent swimmer, soon 

 placed himself upon the surface and enjoyed the 

 sport, an occasional cheer testifying that he was 

 all right. The others at once put out the oars, 



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