CYCLOPOIDS FROM LITTORAL CAVES 



87 



Fig. 4. Cyclopina esilis Brian, 1938, adult male. A, body, dorsal; B, lateral; C, genital somite, ventral; D, antennule; E, fifth leg. 



Endopod 4-segmented, setal formula 0,0,1,4; transverse row of 

 setules on segment 3. 



Swimming legs 1 to 4 (Fig. 3) biramous, both rami 3-seg- 

 mented. Legs subequal in size except first, somewhat reduced. 

 All legs richly ornamented with denticles, as figured; anterior 

 surface of coxae covered by small denticles, omitted from fig- 

 ures. Spines on exopodal segments flanged with serrate hyaline 

 frill; distal spine on third exopodal segment of legs 1 and 2, and 

 spines on endopod of leg 4 flanged only on one side. Armature as 

 follows: 



Coxa 



Basis Exopod 



Endopod 



Legl 



0-1 



1-1 



I-1;I-1;III,I,4 



0-l;0-l; 1,2,3 



Leg 2 



0-1 



1-0 



I-1;I-1;III,I,5 



0-1 ;0-2; 1,2,3 



Leg 3 



0-1 



1-0 



I-1;1-1;III,I,5 



0-1 ;0-2; 1,2,3 



Leg 4 



0-1 



1-0 



I-1;I-1;II,I,5 



0-1 ;0-II; 1,2,1+1 



Fifth legs (Fig. IE) uniramous, 2-segmented, joined by naked 

 intercoxal sclerite. Coxa and basis fused forming trapezoidal 

 protopodal segment; inner margin with row of long setules; outer 

 margin with long, smooth seta subdistally. Distal segment (exopod) 

 about 1.6 times as long as wide, produced distally into median 



