100 TEANSACTIOKS LIVEEPOOL BIOLOGICAL SOCIETY. 



Stenhelia ima, Brady. (PL XXI, fig. 2. d. e. /.) 

 Length 1.25 mm. Dredged in Sodericlv Bay, Khos 

 Colin Bay, and Port Erin Bay, but nowhere common. 

 Eecognizable by the swollen bases of the caudal setse. (/). 

 Stenhelia denticulata, n. sp. (PI. XXX, fig. 1 — 11.) 

 Length 1 mm. Body ovate with long rostrum. An- 

 terior antennae (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 antennse (fig. 3) three jointed 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 joint 

 terminated by several spinous setae 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 setae. 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 setae and one small one on either side. 

 Two specimens only, both females were dredged from the 

 muddy bottom inside Port Erin breakwater. 



Stenhelia hirsitta, n. sp. (PL XXXI, fig. 1 — 18.) 

 Length 1 mm. Eostrum long and pointed. Anterior 

 antennae (figs. 2, 3) eight jointed, the first, second and 

 fourth being much larger than the others ; thickly covered 

 with long setae. Inner branch of posterior antennae (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 setae and several short setae. 



