194 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
_ Stenhelia ima, Brady. (Pl. XXI, fig. 2. d. e. f.) 
Length 1.25 mm. Dredged in Soderick Bay, Rhos 
Colin Bay, and Port Erin Bay, but nowhere common. 
Recognizable by the swollen bases of the caudal setee (/). 
Stenhelia denticulata, n. sp. (Pl. XXX, fig. 1—11.) 
Length 1 mm. Body ovate with long rostrum. An- 
terior antennee (fig. 2) 8 jointed, the first and third joints 
being about twice as long as broad; the second and fourth 
about three times as long as broad, the latter having a long 
filament at apex; the four terminal joints are together, 
about the length of the fourth. The first joint has a 
small tooth and the second joint has a strong tooth on the 
under side. Posterior antenne (fig. 3) three jomted with 
inner branch also three jointed. Mandible (fig. 4) has 
toothed apex and two one jointed lateral protuberances. 
Anterior foot jaw (fig. 6) two jointed, the apical jot 
terminated by several spinous setee and having two lateral 
branches. Second foot jaw (fig. 7) with falciform claw. 
Four first pair of swimming feet (figs. 8 and 9) have inner 
and outer branches all three jointed. Fifth feet composed 
of triangular basal joint with lengthened tapering joint 
springing from it, both bearing spinous sete. Abdomen 
five jointed, about the same length as the rest of the body. 
Caudal segments about as long as broad; each having two 
long central apical setze and one small one on either side. 
Two specimens only, both females were dredged from the 
muddy bottom inside Port Erin breakwater. 
Stenhelia hirsuta, n. sp. (Pl. XXXT, fig. 1—18.) 
Length 1 mm. Rostrum long and pointed. Anterior 
antenne (figs. 2, 3) eight joimted, the first, second and 
fourth being much larger than the others; thickly covered 
with long sete. Inner branch of posterior antennee (fig. 4) 
three jointed, the middle one very small. Claw of second 
foot jaw (fig. 8) is swollen at base, the inner margin of 
hand bearing two spinous setze and several short sete. 
