EBALIA. 
61 
on the side. Abdomen seven- jointed, some of the joints 
confluent ; in the male narrow (Plate IY. b), in the female 
broad (Plate IY. c), the last joint very small, and imbedded 
between the base of the foot-jaws. 
Ebalia tuberqsa,* 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.f The 
Bev. 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, Pennant ; Ebalia Pennantii, Leach. 
t Ann. and Mag. Nat. Hist. 1852, p. 356. 
