A TALK ABOUT CRABS 
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of an inch or so, and its elongated body ter¬ 
minates in an expanded and fan-like tail that 
is directed and held backwards, instead of 
being folded beneath the body as in the case 
of other crabs. 
When the creature wishes to get about 
quicker than its legs can carry it, it suddenly 
snaps its tail forward and beneath itself, the 
resistance to the water thus offered causing 
the crab to shoot backwards through the 
water. 
