66 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 121 



author separated them. An examination of this material suggests 

 that the original figures were made while the pair was in copulo as, 

 among other characteristics, the spine on the first segment of the third 

 leg exopodite is bipartite. An examination of the specimens identified 

 as G. longicaudatus by Ho (1963) and deposited in the U.S. National 

 Museum (USNM 111247, 111248) shows the same variation present 

 in the Hawaiian specimens of G. huttoni and the variation described 

 by Hewitt (1964a) for the New Zealand specimens of this species. 



Based upon these examinations and upon Hewitt's discussion, it 

 is suggested that G. huttoni is the species of Gloiojwtes that is found 

 on biUfishes in the Pacific. G. ornatus Wilson, 1905b, found on 

 billfishes in the Atlantic, appears to be the counterpart of G. huttoni 

 (e.g., Shiino, 1959a). The primary difference between these two 

 species is the presence of a row of spines on the lateral surface of 

 the genital segment of G. ornatus (absent in G. huttoni). 



Barnard (1957) describes a species of Gloiopotes, G. auriculatus, 

 from a Striped Marlin at Mossel Bay, South Africa. He indicates 

 that it is close to G. ornatus Wilson and figures the postcephalothoracic 

 region of both the female and the male. The figure of the female, 

 however, does not show the series of spines on the lateral surface of 

 the genital segment, the diagnostic characteristic for G. ornatus. 

 Mossel Bay is at the southern tip of Africa and G. auriculatus is 

 bordered on the Indian Ocean side by G. huttoni and on the Atlantic 

 side by G. ornatus. The association of G. auriculatus with the other 

 two species cannot be determined from the literature but offers an 

 intriguing zoogeographical problem. 



Gloiopotes hygomianus Steenstrup and Liitken 



Figures 25-27 



Gloiopotes hygomianus Steenstrup and Liitken, 1861, p. 363, pi. 5, fig. 9. — Bassett- 

 Smith, 1899, p. 458.— Stabbing, 1900, p. 670, pi. 74, fig. A.— Shiino, 1960b, 

 p. 533, figs. 4-6.— Yamaguti, 1963, p. 103, pi. 124, fig. 3. 



Gloiopotes species Bonnet, 1948, p. 7. 



Distribution and hosts. — 4 hosts: 



Material. — One female and 1 male (USNM 112881) collected by 

 E. C. Jones (USFWS) from Acanthocybium solandri (Cuvier) captured 

 in the Hawaiian area. One female and 1 male (USNM 112882) from 

 the caudal fin of A. solandri (Cuvier) captured near the Line Islands 



