170 PROCEEDINGS OF THE NATIONAL MUSEUM 



Measurements. — (In mm) 1 female and 1 male: 



Total length, excluding caudal setae 



Length of cephalothorax, including frontal region 



Width of cephalothorax 



Length of genital segment 



Width of genital segment 



Length of abdomen 



Length of caudal rami 



Length of egg strings (female nonovigerous) 



Description.- — See Lewis, 1964a. 



Caligus randalli Lewis 



Caligus randalli Lewis, 1964a, p. 156, figs. 6a, b, d-f, h-1, n-q; fig. 7. 



Distribution and hosts. — Hawaiian Islands, Acanthurus trio- 

 stegus sandvicensis. 



Description. — See Lewis, 1964a. 



Caligus kaliimai Lewis 



Caligus kalumai Lewis, 1964a, p. 171, fig. 10. 

 Distribution and hosts.— Hawaiian Islands, Acanthurus guttatus. 

 Description. — See Lewis, 1964a. 



Order Lernaeopodoida 



Family Lernaeopodidae 



Charopinopsis Yamaguti, 1963 



Diagnosis. — Female: Cephalothorax, including posteriorly re- 

 moved maxilla-bearing segment, in line with rest of body, anterior 

 portion of tergum heavily sclerotized. Trunk broader than cephalo- 

 thorax, flattened dorsoventrally, without indication of segmentation, 

 with subconical or conical projection at each posterolateral corner; 

 with pair of long, dactyliform posterior processes medially, ventral to 

 oviducal openmgs. Abdomen and caudal rami not visible. Anten- 

 nule 3-segmented, subconical; antenna bu-amous, not chelate, ex- 

 opodite broadly rounded, without exteiTially projecting armature, 

 endopodite 2-3 segmented (status of distalmost "segment" ques- 

 tionable). Maxillule with small palp, palp tipped by setule (spine?), 

 distal surface of maxillule with 3 setules (spines?). MaxiUae posterior 

 to maxillipeds, joined at buUa, distal region convoluted, giving 

 knobhke appearance. Maxillipeds 2-segmented, prehensile, second 

 segment with short, clawlike terminal process. 



Male: See Yamaguti, 1963, p. 251. 



