Life Beneath the Waves. 5 1 



covered with thick short hair; its move- 

 ments are sluggish, and its habits re- 

 tiring. 



Another crab remarkable for the extra- 

 ordinary length of its arms is that known 

 by the name of the Helmet- crab, which 

 title is bestowed because the body is some- 

 thing like an old-fashioned helmet in shape. 

 It is rather a rare species, and seldom to be 

 obtained alive without dredging at sea; 

 its arms are indeed enormously long, and 

 when stretched out, they look very awk- 

 ward and disproportionate : the upper part 

 of the body and legs is fawn colour, the 

 under side white, and on its back (as on 

 that of the Angled-crab, Nut, and some 

 other kinds) a distorted likeness to the 

 human face may often be observed. 



And now I must mention another class 

 of crabs, totally different, in one respect at 

 43 



