CRABS, ETC. 9I 



Hermit - Crabs. In the Hermits, that are either 

 marine or terrestrial, the abdomen is soft (Fig. 100), and 

 to protect it they take possession of empty univalve shells 

 (Fig. 101), or even old tobacco-pipes thrown overboard by 

 sailors,* while others bore into wood, sand, or sponges, the 



FlG. 102. The English edible crab (Cancer pagurus), i natural size. A, 

 dorsal view, with the abdomen extended. B, front view of " face '' : as, 

 antennary sternum ; or, orbit ; r, rostrum ; i, eyestalk ; 2, antennule ; 

 3, base of antenna ; 3', free portion of antenna. (After Huxley.) 



* The author kept a land hermit for several months that had taken 

 up its quarters in an old clay pipe. It crawled up a table daily to drink 

 from a saucer of water placed there for the purpose. 



