EBALIA. 6 1 



on the side. Abdomen seven-jointed, some of the joints 

 confluent ; in the male narrow (Plate IY. b), in the female 

 broad (Plate IV. c), the last joint very small, and imbedded 

 between the base of the foot-jaws. 



Ebalia tuberosa,* Penn. sp. Plate IY. fig. 3. Pennant's 

 Nut Crab. — The latero-anterior edge of carapace divided into 

 two lobes by a fissure ; carapace raised, with a blunt crest 

 and three branches, the front on the median line of stomachal 

 region, and the two others on the branchial regions. 



Pound on various parts of our coast as far north as 

 Shetland, where it was procured by Mr. Barlee.t The 

 Rev. Alfred Norman has found it occasionally in Devon 

 and Cornwall, and remarks that it is " abundant and fine in 

 fifteen fathoms on hard ground in the Pirth of Clyde." 



Mr. Gosse in his ' Aquarium ' (p. 161) gives us some 

 particulars of the habits of this little Crab. He describes it 

 as " inert, folding its legs on itself when touched, and re- 

 maining motionless for some time. It buries itself in the 

 gravel, descending backwards ; this is a somewhat slow pro- 

 cess, suited to its usual phlegmatic habit. It brings its 

 hindmost pairs of feet on each side together, then thrusting 



* Cancer tuberosus, Pemiant ; Ebalia Pennantii, Leach. 

 f Ann. and Mag. Nat. Hist. 1852, p. 356. 



