210 ALONG THE FLORIDA REEF. 



watching the wonderful sight of unlimited thou- 

 sands of gulls in the air. 



"Look here, boys," said Harry, who had 

 been watching a bay-cedar; "here is a grand 

 example of a struggle for existence ! " 



He was standing by a noddy's nest, upon 

 which was a young bird a queer featherless 



Marine hermit-crab. 



little creature ; and overhead the mother was 

 wheeling around in evident despair. She had 

 liberally provided her young with a large sar- 

 dine too large, in fact, for it to eat ; and hang- 

 ing on the nest, in all conceivable positions, were 

 a dozen or more land-hermits and two large 



