DACTYLOPUS. bs 
between the apical and lateral sete ; inner branch very 
much smaller, subquadrate, extending only half the 
length of the outer, bearing four primary sete, two of 
them long and two of moderate length, the interspaces 
being densely ciliated. 
“© Hab.—Roker, on Laminaria saccharina ; rare.” 
-4, DacTyLopus TENUIREMIS, Brady and Robertson. PI. 
LVI, figs. 12—18. 
Dactylopus tenwiremis, Brady & Robertson. Brit. Assoc. Report, 
p. 197 (1875). 
Rostrum of moderate length, slender; anterior 
antenne very slender (fig. 12), about as long as first 
body segment; first four joints (or peduncle) stouter 
than the flagellum ; second and fourth joints much the 
longest, about equal in length to the last three; imner 
branch of posterior antenna 2-jointed. Inner branch 
of the first foot (fig. 16) nearly as in D. Stromi ; outer 
branch rather more slender. Basal joint of the fifth 
foot (fig. 17) broad, triangular, bearing a row of five 
lone sete from the apex to the middle of the inner 
margin; outer joint ovate, about as long as the basal 
joint, its inner margin ciliated, outer margin and apex 
fringed with eight sete, the longest of which are at 
the apex. ‘Tail sete (fig. 18) short, dilated at the 
base, the longest about as long as the abdomen. 
Length goth of an inch (‘63 mm.). 
Apparently a rare species; found hitherto only 
