ZOOLOGY. 129 
CRUSTACEA. 
Common edible Crab, of the United States, (Lupa 
dicantha). 
Spider Crab, or Sea Spider, (Lichinia canaliculata). 
Land Crab (Gecarcinus ruricola). This is of a good size, 
and nocturnal in its habits. It is the colour of unbaked 
clay. 
Pericera cornuta. Taken from a fish-pot, at Hamilton, 
11th April, 1850. Length 7:5 inches; breadth, from spine 
to spine, 4°8 inches. 
Soldier, or Hermit Crab (Pagurus 
common. 
Long-tailed Crab, Stump, or French Lobster (Scyllarus 
equinoxialis.) 
Cray Fish (Palinurus ?) called in the Islands 
“lobster.” It is of large size, and sufficiently abundant. 
Sand Bug (Huppa ?) SBuries in the sands. 
Common Prawn (Palemon serratus). Attains to a good 
size, viz:—5+4 inches in length, or including the antennz 
114 inches. Not uncommon, if sought after. 
Common Shrimp (P. vulgaris). Common in the rock 
pools at low water. Mr. Hunt Marriott sent Mr. Hurdis a 
plateful of these shrimps which he had taken with a 
landing-net in Hungry Bay. 
“There are other species of crabs,” says Mr. Hurdis, “the 
names of which are unknown to me, viz :—one which 
climbs the mangrove trees, very rosy on the under side ; 
one which the fishermen call the ‘coral crab,’ quite as 
large as any crab found on the Islands, of a greenish brown 
colour on the upper parts, with very long claws, the outer 
K 

2). Not un- 


