NON-PARASITIC MARINE COPEPODA. 433 



Genus CYCLOPICERA, nov. gen. 



Superior antennae about as long as the cepkalothorax, many 

 jointed, bearing (as in the Harpactidae) a sword-shaped append- 

 age near the distal extremity. Inferior antennae three-jointed, 

 having a minute secondary branch. Upper footjaw chelate, 

 three-jointed, the last joint forming a doubly-curved very long 

 claw; lower footjaw four -jointed, last two joints forming a long 

 claw, each joint of which bears a spine on its inner margin. 

 Swimming feet as in Cyclops. Fifth pair of feet small, one- 

 jointed. 



1. Cyclopicera lata, nov. sj>. Plate XVIII. , figs. 3-8. 



Superior antenna) twenty -jointed, basal joint large, next eight 

 very short and broad, the following six about as long as broad, 

 sixteenth and seventeenth about twice as long as broad, last 

 three shorter and more slender : seventeenth joint bearing a long 

 laminated ensiform seta. Inferior antennas tri-articulate, the 

 first joint bearing a minute bi-ciliated, one-jointed branch, second 

 joint of about equal length with the first, third very short, and 

 terminating in a slender claw. Maxillae two-branched (?), each 

 branch terminating in three long, slender setae. Fifth pah' of 

 feet very small, laminar, with one basal and two apical setae. 

 First joint of abdomen very short and broad, finely ciliated in 

 the middle of each lateral margin. Caudal joints about twice 

 as long as broad ; setae equal in length to the abdomen. 



One specimen only taken amongst weeds in rock-pools at 

 Roker. 



Fam. COBYCMWM. 



Genus MACROCHEIRON, nov. gen. 



Superior antennae (6-7 ?) jointed, inferior four-jointed, un- 

 cinate. Lower footjaw very large and powerfully chelate. First 

 tbree pairs of swimming feet alike, each branch being tbree- 

 jointed, fourth pah* with the inner branch small and two-jointed, 

 rudimentary. Fifth joint of cephalotborax long and greatly 

 swollen below. Abdomen five-jointed, all the joints short. 



c2 



