90 BRITISH COPEPODA. 



posed as a substitute for Lilljeborgia, being also 

 allowed to lapse. 



1. CLETODES LIMICOLA, Brady. PI. LXXIX, figs. 1 12. 



Cletodes limicola, Brady. Nat. Hist. Trans. Northumberland 

 and Durham, vol. iv, p. 438, pi. xxi, figs. 

 1017 (1872). 



.pectinata, Brady & Robertson. Brit. Assoc. Report 

 p. 196 (1875). 



Animal, as seen from behind, elongated, distinctly 

 indented at each ring of the body. First segment of 

 cephalothorax short, about equal in length to the two 

 following ; second and third abdominal segments pro- 

 duced into spinous processes at the lower lateral 

 angles. Anterior antennae in the female (fig. 2) much 

 shorter than the first cephalothoracic segment; first 

 three joints nearly equal, fourth about half as long as 

 the third, fifth as long as the third, but much more 

 slender, sixth very short ; in the male (fig. 3) forming 

 at the fourth joint a large vesiculiform swelling, last 

 two joints elongated and uncinate. Hand of the pos- 

 terior foot-jaw short, ovate, often finely ciliated on the 

 inner margin ; terminal claw long and slender. Swim- 

 ming-feet slender ; the outer branches ciliated on the 

 margins, and bearing at the apex of each joint, on the 

 external margin, a long slender spine ; terminal setas 

 long and slender ; the middle joint has a long apical 

 seta at the inner margin ; inner branches 2-jointed, 

 the first joint very small, the second long, almost fili- 



