84 



U.S. NATIONAL MUSEUM BULLETIN 271 



■''7 



4' 



'fl/r//^/ // V 



d 





^.-_ 

 ??>. 





-:-^.'-' 

 --i<.'.- 



II 



Figure 33. — Hyperiopsidae : a,h, maxilla 1, note enlarged condition of palps, one of them 

 bent; c, accessory flagellum [see" Ampellscidae and Stilipedidae]; i,e, gnathopods 1, 2; 

 /, pereopod 1 (and 2 similar), note elongation of article 4 and either slender or inflated; 

 g,/z, extremes of telson. 



Combination of elongate article 4 of pereopods 1-2 and bent maxillary palps differentiates 



Hyperiopsidae from Astyridae, Synopiidae, Pardaliscidae, Vitjazianidae, Calliopiidae, and 



Eusiridae. 



