44 How Sammy Went to Coral-Land 
him eight jaws, and a large stomach fur¬ 
nished with teeth. He has also a heart, 
and liver. 
The crab, in common with the lobster, 
possesses one very convenient peculiarity. 
He can cast off a claw if it is hurt in any 
way, and he sometimes throws one or two 
away if he is frightened by thunder, for 
he is a great coward in a thunder-storm. 
But, no matter in what way the claw is 
lost, Mr. Crab can grow another one, 
although it will not be as large, or as 
strong as the first one. 
The claws of a crab are his weapons, 
and terrible ones the}" are, too. With 
them he defends himself against his 
enemies, and with them he attacks his 
prey and tears it to pieces. 
His bill of fare is composed of some 
kinds of fish and lower water animals ; 
and it is said that some crabs feed on 
