CYCLOPOIDEA. m£ 



quite short. The last bears two long naked setae; a similar seta pro- 

 ceeds from the inner apex of the second joint, and two others from 

 the inner margin of the same joint; there is also one shorter near the 

 inner apex of the first joint. The terminal setae are about as long as 

 the first joint. Anterior pair of natatory legs the smallest ; the fourth 

 pair a little shorter than the third. The longer branch in a natatory 

 leg is three-jointed ; there is a short spine at the apex of each joint, and 

 also two on one margin of the last joint, besides minute serratures; 

 the one at the apex is a little curved at its extremity. Shorter branch 

 not half the length of the other, two-jointed. The posterior feet are 

 slender, not longer than the posterior natatory. The last joint is 

 hooked. The second bears at its apex a stout corneous seta, which 

 extends beyond the apical hook. 



The body is banded with black at each of the articulations. Besides 

 this, part of the antennae, the last joint of the longer branch of the 

 natatory legs, and the right posterior angle of the thorax, are black. 

 There were also black lines forming two concentric and nearly triangular 

 figures in the anterior half of the cephalothorax above; and four black 

 spots, two in advance of the lines just referred to, and two near the 

 posterior angles of the anterior cephalothoracic segment. This 

 arrangement of the colour is not constant. 



Candace pachydacttla. 



Maris : — Cephalothorax k-articulatus, angulis jpostids longe acutis et setd 

 minutd extus instructis. Antennas anticce fermh corporis longitudine 

 2Z-articulatce, e basi ai'cuatce, delude recti transversal ; dextrd 21-arti- 

 culatd, medio incrassulatd, articulo geniculationem precedents valde 

 elongato, et versus apicem subtUissimd pectinato, sequente non breviore. 

 Antennarum posticarum rami longitudine subosqui. Pes posticus 

 dexter crassus, apice rotundatus, appendice laterali crassd falcatd, 

 obtusd. 



Male: — Cephalothorax four-jointed, posterior angles long acute and 

 having a minute seta on the outer side. Anterior antennae as long as 

 the body, twenty-three-jointed, arcuate from the base, then straight; 

 the right, twenty-one-jointed; joints twelve to fifteen, a little en- 

 larged, the next, or that preceding the geniculation, quite long, very 



279 



