No. 3656 COPEPODS—LEWIS 23 
plumose, spinelike process. Abdomen 1-segmented, distinct from 
genital segment, lateral margins flatly convex, posterior surface 
biconcave. Caudal rami (fig. 102) subrectangular, bearing 3 plumose 
setae and 1 plumose setule distally as well as plumose seta and setule 
from proximal half of outer surface; inner surface of rami ovoid. 
Male cephalothorax and free pedigerous segments (fig. 10b) similar 
to those of female. Genital segment (fig. 10c) barrel-shaped, with 
oH 
Saul ? 
Oimm? of 
Ficure 10.—Dissonus similis Kabata, 1966, dorsal views: a, female; ), male. Ventral 
views: c, male genital segment; d, female genital segment; e¢, processes on female genital 
segment; f, ocular region (dorsal view); g, first, second, and third pedigerous segments; h, 
caudal ramus. 
