62 HISTORY OF BRITISH CRUSTACEA. 



clown their united points opens and expands them, forcing 

 apart the gravel ; at the same moment the posterior part of 

 the body is brought down into the hollow thus made, and 

 the action of the feet is repeated. The process is continued 

 until the hinder parts are covered, and the muzzle alone is 

 visible, with the two claws. Thus it sits quite still, remind- 

 ing one of a toad, the broad triangular pedipalps, that fit so 

 close, occasionally opening, like the folding doors of a tiny 

 cabinet, and allowing the palpi to be thrust out to wipe the 

 minute eyes. The face, when examined with a lens through 

 the glass walls of the Aquarium, has a most funny expres- 

 sion, being singularly like that of an ancient man." Mr. 

 Gosse fouud that the Ebalia was chiefly active at night : its 

 activity however is not great. 



Ebalia ttjmefacta,* Mont. sp. Brj/er's Nut Crab. — 

 Carapace sub-rhomboidal, smooth, with a smooth reflected 

 margin, and three round elevations placed triangularly. 

 Colour pale dull yellow ; arm scarcely twice as long as it 

 is broad. 



Pound at Weymouth, and at other places on the coast of 

 England and Ireland. The Rev. Alfred Norman took one 

 specimen at Budleigh Salterton in 1852. 



* Cancer tumefactus, Montagu ; Ebalia Bryerii, Leach. 



