Marine Copepoda 



19 K 



one additional shorter seta; Ri 1 has two setae, Ri 2 has one, Ri 3 has one, Ri 

 4 has one, and Ri 5 has three apical setae. The distal lobe of Bl has one long 

 seta and two very small anterior setae at its base, one of which was distinctly 

 plumose. In the example figured, one of the two setae of the middle lobe of 

 Bl is lost, its place being indicated by a small mamelon. 



The distribution of the setae on the swimming legs agrees with Labidocera, 

 the external setae being set in deep notches. In the fifth legs of the female 

 (Fig. 20), it is to be noted that the right and left Bl are confluent across the 

 middle line; B2 has two setse on its hinder surface, one of which is minute. 



Fig. 20. Paralabidocera. 

 Fifth legs of female from behind. 



In the adult male the right foot ends in a rounded chela (Figs. 21 and 22); 

 in one case it was observed that the chela was firmly grasping thejight anterior 



Fig. 21. Paralabidocera. Fifth feet of male. 



Fig. 22. Paralabidocera. Chela of right leg. 



Fig. 23. Paralabidocera. Left B2. 



Fig. 24. Paralabidocera. Left end- joint. 



antenna of the same individual, which it had presumably caught hold of in 

 he death-struggle. A lobe on the left B2 (Fig. 21) is directed towards a cor- 

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