COPEPOD CRUSTACEANS — LEWIS 



77 



Description. — Female cephalothorax (fig. 28a) ovoid, consisting of 

 cephalon and first 4 thoracic segments. Frontal region narrow, 



Figure 28. — Lepeoph/heirus crassus (WihonandBere, 1936), dorsal view: a, female; i, male. 

 Ventral view: c, female genital segment, fifth leg, abdomen, and caudal ramus; J, male, 

 same; e, male tip of fifth leg;/, male sixth leg. 



anterior edge with median indentation and narrow, membranous 

 flange. Lateral margins of cephalothorax flatly convex except for 



