92 BRITISH COPEPODA. 



long-tailed form as a variety : var. gracilis. This 

 species has in all cases occurred in dredgings from 

 depths of 20 45 fathoms, and usually amongst muddy 

 sand. It has been observed in the following locali- 

 ties : Off the coasts of Durham and Yorkshire, 

 amongst the Scilly Islands, and in Westport Bay, 

 Ireland. 



2. CLETODES LONGICAUDATA, Brady and Robertson. PI. 



LXXIX, figs, 1319. 



? Cletodes laticauda, Boeck. Nye Slacgter og Arter af Saltvands- 



Copepoder, p. 20 (1872). 



longicaudatus, B. & R. Brit. Assoc. Report, p. 196 

 (1875). 



Female. Animal slender, elongated ; rostrum 

 moderately long ; caudal segments very long and 

 slender, about as long as the last three abdominal 

 segments ; at the upper fifth of the outer margin is 

 affixed a long slender spine (fig. 19), and at the apex 

 three setae, two of which are very small, but the 

 median one longer than the tail itself. The anterior 

 antennae (fig. 14) are 6-jointed, third joint the 

 longest, last three short and subequal ; ensiform fila- 

 ment very stout. Second pair of foot-jaws of mode- 

 rate size, with an ovate hand. Inner branch of the 

 first pair of feet (fig. 15) larger than the outer, its last 

 joint as long as the entire outer branch, cylindrical, 

 and bearing two long terminal setae ; inner branches 

 of second, third, and fourth pairs shorter than the 

 outer, the fourth having three, the second and third 



