COPEPOD CRUSTACEANS — LEWIS 



31 



Norion expansus Nordmann 



Norton expansus Nordmann, 1864, p. 489, pi. 6. — Lewis, 1964a, p. 226, figs. 22-23. 

 [For bibliography, see Lewis, 1964a.] 



Hosts and distribution. — 3 host records: 



location hosts reference 



Hawaiian Islands unknown Nordmann, 1864 



Naso liluratus 



N. hexacanlhus Lewis, 1964a 



Description. — See Lewis, 1964a. 



Family Pandaridae 

 Nesippus Heller, 1865 



Diagnosis. — See Lewis, 1964a. 



Nesippus costatus? Wilson 



Nesippus costatus Wilson, 1924, p. 213, pi. 20. 

 Nesippus costatus? — Lewis, 1964a, p. 211, figs. 19-21. 



Hosts and distribution.— 7+ host records: 



location 

 Galapagos Islands 

 Hawaiian Islands 



reference 

 Wilson, 1924 

 Lewis, 1964a 



hosts 

 "A nine-foot shark" 

 Cysts on: 

 Acanihurus triostegus sandvi- 



censis 

 A. nigroris 

 A. xanthopierus 

 Ctenochaetus strigoszis 

 Diodon holocanthus 

 Scarus species 

 labrids 

 pomacentrids 

 zanclids 



Material. — One immature male (early encysted stage of Lewis, 

 1964a) in cyst on dorsal fin of Seriola dumerilli (Risso) from Hono- 

 lulu Aquarium. Cysts with exuviae (no animal) or partially resorbed 

 cysts found on specimens of Aulostomus chinensis (Lmnaeus), Chae- 

 todon miliaris Quoy and Gaimard, and Myripristis pralinius Cuvier 

 and Valenciennes. 



Measurements.— Length of body, excluding caudal setae, 1.96mm. 

 Length of cephalothorax, including frontal region, 1.39mm; width 

 1.55mm. Length of genital segment 0.34mm; width 0.47mm. 

 Length of caudal rami 0.22mm. 



Description. — See Lewis, 1964a. 



Family Euryphoridae 

 Euryphorus Milne-Edwards, 1840 



Diagnosis. — Cephalothorax suborbicular, consisting of cephalon 



