482 
COROPHIIDiE. 
is very much narrower than the body, and generally lies 
bent up against the underside of the body of the animal. 
The eyes are prominent. The -superior antennae do not 
reach beyond the extremity of the peduncle of the 
inferior. The inferior antennae are nearly as long as 
the animal ; the last joint of the peduncle is very long, 
being quite as long as the three preceding ; the flagellum 
consists of one very long and one or two minute termi- 
nal articuli. The first pair of legs have the hands a 
little longer than the wrist, with no defined palm, and a 
strong curved finger. The second pair of legs have the 
hands very much larger than those of the first pair, being 
equal in length to the head and the first two segments 
of the body ; they are oval in form, the upper edge being 
more arched than the lower ; the palm is crenulated, 
defined by a blunt tooth, and runs continuously with 
the inferior margin ; the finger is longer than the 
palm, narrow, and arcuate. The thighs of the three 
posterior pairs of walking legs gradually increase in 
dilatation, and the last two pairs are very much longer 
than the others. The three pairs of caudal appendages 
have subfoliaceous branches, and decrease posteriorly in 
length, the last scarcely reaching beyond the extremity 
of the terminal scale, which overlays them, and which is 
circular and scale-like. 
We have only as yet received specimens of this 
species from Mr. Webster, some of which he dredged 
off Falmouth, the others he obtained on the beach, at 
low water, at St. Michael’s Mount. 
Some specimens (mixed with those of the genus 
Podocerus) have long existed unrecognized in the Col- 
lection of the British Museum, procured by Dr. Leach, 
probably from the South Coast of Devon. 
The females of this species appear to differ from the 
