152 BRITISH COPEPODA. 
level, and very possibly, during storms or excessively 
high tides, exposed to some admixture of salt water. 
3. HaRPActicus FLEXUS, Brady and Robertson. Pl. LXIV, 
fies. 12—18. 
Harpacticus flecus, B. & R. Ann. and Mag. Nat. Hist., ser. 4, 
vol. xu, p. 134, pl. ix, figs. 17—21 (18783). 
First pair of antenne (fig. 12) rather short, 8- 
jointed: first four joints in the female of nearly equal 
length, last four also subequal, but less than one-half 
the length of the preceding; in the male (fig. 13) the 
second joint is very short, the fifth and sixth coalescent 
and forming a vesiculiform swelling, the last two 
joints claw-like. Inner branch of the second antenna 
minute, 2-jointed. Second foot-jaw small, hand elon- 
gated, oval, with a slender curved terminal claw. 
First pair of feet (fig. 15) not materially different from 
those of H. chelifer, but more slender. Outer branch 
of second foot in the male (fig. 16) very similar to that 
of H. chelifer; third foot strongly spined. Body con- 
stricted at the base of the abdomen. Fifth pair of feet 
in the female (fig. 17) asin H. chelifer ; in the male 
(fig. 18) the marginal sete: are shorter and spine-like. 
Length goth of an inch (64 mm.). 
Taken by the surface-net in Westport Bay, Ireland. 
Dredged in depths of ten to twenty fathoms amongst 
the Scilly Islands, off Bute, and in one or two fathoms 
at Kames Bay, Cumbrae (Firth of Clyde), and in Lough 
Swilly (Donegal). | 
