266 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 18 



Paraphoxus milleri (Thorsteinson) 

 (Plate 40) 



Pontharpinia milleri Thorsteinson 1941 : 82, pi. 5, figs. 52-62. 



Pontharpinia longirostris Gurjanova 1938: 263-267, 385, fig. 7 

 (homonym, not Schellenberg 1931) ; Gurjanova 1951 : 385-387, fig. 235. 



Pontharpinia robusta Gurjanova 1938: 262-263, figs. 6, 6a (ho- 

 monym, not Holmes 1908) ; Gurjanova 1951 : 384-385, figs. 233, 234. 



Paraphoxus milleri, J. L. Barnard 1958: 147. 



Composite diagnosis. — Head broad, rostrum narrowed anterior to the 

 eyes, generally rather wide ; eyes rather small in female. 



Epistome unproduced. 



Maxillipedal palp article 4 lacks apical spine. 



Gnathopods 1-2: article 5 slightly longer than 6, anterior edge of 

 article 6 curved, posterior edge straight, palms nearly transverse; lower 

 posterior corners of first 3 pairs of coxae bear cusps; ratio of lengths 

 of articles 5 and 6; Gnathopod 1 = 26:23; Gnathopod 2 = 24:21. 



Peraeopod 3 : articles 4 and 5 as wide or much wider than article 2, 

 article 6 rather narrow, article 7 short, stout. Ratio of widths of articles 

 2, 4, 5, 6 in specimen at hand = 24:24:24:9; in Thorsteinson's figures 

 the ratio is 22:28:24:8; in Pontharpinia robusta it is 26:26:22:10. 



Peraeopod 4 : in the American specimens article 2 is sub-circular but 

 more oval in Asian specimens; article 4 is quite broad in American 

 specimens while in Asian material it is scarcely broader than article 5 ; 

 article 7 short, stout. Ratios of widths of articles 2, 4, 5, 6 listed in order 

 of decreasing width: in Thorsteinson's specimen = 45:37:23:8, in the 

 present specimen = 46:33:22:7; in P. robusta = 44:26:20:7. 



Peraeopod 5 : article 2 about as broad as long, lower edge convex and 

 reaching about to middle of article 4; sweep point near lower end of 

 article 3; posterior edge with 7-10 small teeth which increase in size 

 distally and become less hooked; articles 4 and 5 rather stout; article 7 

 short. 



Uropods known only from the present material. 



Uropod 1 sparsely spinose. 



Uropod 2 with about 4 peduncular spines, each ramus with a single 

 marginal spine. 



Uropod 3 : in both male and female the inner ramus is nearly as long 

 or longer than article 1 of the outer ramus ; article 2 of the outer ramus 

 is quite short, about one tenth as long as article 1. 



