68 LIVERPOOL BIOLOGICAL SOCIETY. 
FAMILY CoRYCHIDA, DANA. 
Lichomolgus sabelle, n. sp. (Pl. II., figs. 1 to 9). 
Length, female 1-10th inch, male 1-15th inch. Body 
ovate, first segment nearly half the length of the cephalo- 
thorax. Rostrum short and beak-like. Anterior antenne 
(fig. 2) alike in both sexes, composed of seven joints, the 
two basal joints large and strong and about equal in length 
to the other five; their edges are roundly serrated and curled 
over, with several setee. The third joint has three long sete 
on inner margin, and the terminal joint has several long 
setee at apex. Posterior antenna (fig. 3) also alike in both 
sexes, four jointed; the second joint has four teeth placed 
longitudinally; the terminal joint has several hooked claws 
both at side and at apex, the latter having also several 
long sete. The mandible is strongly toothed, the terminal 
portion having three spines. The maxilla (fig. 4) has a 
long process terminated by a blunt spine, and bearing on 
each side a row of sharp teeth similar to those of the 
mandible; the other extremity has five digital spines. 
Anterior footjaw (fig. 5) two jointed; the second joint 
terminated by four short spines. Posterior footjaw two 
jointed; that of the male (fig. 7) is terminated by a long 
falciform claw, similar to that of L. fucicolus, Brady, 
that of the female (fig. 6) is elongated and terminated by 
three claw-like spines. Swimming feet of the first four 
pairs are two branched (fig. 8), each branch three jointed 
and bearing several spines and plumose sete. The fifth 
feet (fig. 9) in both sexes are composed of one short 
straight joint terminated by two spines. Abdomen is five 
jointed in each sex; the first joint nearly equal in length 
to the remaining four and much broader, especially in the 
male. The caudal segments are parallel and about three 

