"°- ^"* COPEPOD CRUSTACEANS — LEWIS 33 



"'^"'^^ f^ost reference 



Tropical, sub- 

 tropical 



Atlantic Lampugus punciulatus Steenstrup and Lutken, 1861 



Coryphaena hippurus Kr0yer, 1863 



Gulf of Mexico Coryphaena hippurus Causey, 1953a 



_ Material.— Two females and 2 males (USNM 112873) from the 

 gill cavity of Coryphaena hippurus Linnaeus taken by trolling 120 

 miles south of Oahu, Hawaii (USFWS). Two females and 2 males 

 (USNM 112874) from the gill cavity of C. hippurus Linnaeus taken 

 by trollmg at 15°N, 115°W (USFWS). One female and one male 

 (USNM 112875) from the gill cavity and buccal cavity of C. hippu- 

 rus Linnaeus taken by trolling, 130 mUes south of Niihau, Hawaii 

 (USFWS). 



Measurements.— (In mm) 5 females and 5 males: 



female male 



Length of body, excluding caudal setae 



Length of cephalothorax, including frontal 

 region 



Width of cephalothorax 



Length of genital segment, excluding gen- 

 ital flap 



Width of genital segment 



Length of abdomen 



Length of alae 



Length of genital flap 



Length of abdominal projection 



Length of caudal rami 



Length of egg string (1 string) 



Description.— Female cephalothorax (fig. 12a) ovoid, consisting 

 of cephalon, maxiUiped-bearing, and first 3 pedigerous segments. 

 Frontal region broad, approxunately one-tenth the length of cepha- 

 lothorax, distmctly separable from rest of cephalothorax; anterior 

 edge with fine membrane. Lateral cephalo thoracic margms flatly 

 convex except for sharp median mdentation, margm bearmg narrow 

 membranous flange. Posterior lateral cephalo thoracic regions sharply 

 rounded, extending posteriorly shghtly past median cephalothoracic 

 region. Posterior sinuses distmct (fig. 12c), U-shaped, with narrow 

 but distmct flange extending medially from outer margin and bear- 

 ing fine membrane. Dorsal cephalothoracic grooves forming uTeg- 

 ular H, posterior longitudinal grooves of H formed by junction of 

 posterior lateral cephalothoracic region and median cephalothoracic 

 region; crossbar uTegular, in posterior thhd of body; anterior longi- 

 tudinal grooves extending anteriorly to just lateral to 3-parted ocufar 

 region. Ocular region consisting of 2 ovoid contiguous pigmented 

 bodies, each with lens, and smaller pigmented area between posterior 



226-321—67 3 



