462 U.S. NATIONAL MUSEUM BULLETIN 271 



Synopia Dana 



Synopia Dana, 1852b. — Stebbing, 1906. 



Type-species: S. ultramarina Dana, 1853 (present selection). 

 See Stebbing, 1888 {as S. scheeleana). 



Mandible of medium size, molar of medium size, triturative or 

 fuzzy, palp extremely tumid (fig. 165e); coxa 3 strongly expanded dis- 

 tally, with quadrate posteroventral lobe, posterodorsal margin 

 excavate; coxa 4 much smaller than 3, very short, weakly comma- 

 shaped; article 6 of gnathopods slender or tumid, subovate, not 

 perfectly linear, simple, posterior margins setose but lacking distinct 

 locking spines, dactyl oj gnathopod 2 vestigial (fig. 167/:); telson and 

 peduncle oj uropod 3 both short and subequal in length, telson cleft or 

 entire, distally castellate in forms with entire telson; maxillipeds 

 Joliaceous. Species: 3, tropical, epipelagic. 



Syrrhoe Goes 



Syrrhoe Goes, 1866.— Stebbing, 1906. 



Type-species: S. crenulata Goes, 1866 (selected by Boeck, 1876). 

 See Sars, 1895. 



Mandible of medium size, molar of medium size and not dominating 

 mandible, apparently weakly triturative or fuzzy; coxa 3 strongly 

 expanded distally, with posteroventral lobe, posterodorsal margin 

 excavate; coxa 4 much smaller than 3, comma- or weakly adze-shaped; 

 article 6 of gnathopods trapezoidal, subovate and elongate, palm 

 nearly transverse and armed with serrate spine not giving chelate 

 appearance; telson elongate and deeply cleft. Species: 8, probably 

 cosmopolitan, littoral to bathyal. 



Syrrhoites Sars 



Syrrhoites Sars, 1895.— Stebbing, 1906. 



Type-species: Bruzelia serrata Sars, 1879 (original designation). 

 See Sars, 1895. 



Composition: S. anaticauda K. H. Barnard, 1930; Kindia lorida 

 J. L. Barnard, 1962d; S. pacificus Nagata, 1965; S. pusillus Enequist, 

 1950; K. sorpresa J. L. Barnard, 1962d; S. tenellus K. H. Barnard, 

 1925; S. terceris J. L. Barnard, 1964a; S. walkeri Bonnier, 1896. 



Mandible enlarged, molar enlarged, dominating mandible, smooth 

 or fuzzy; coxa 3 rectangular, not distally expanded, posterior margin 

 parallel with anterior margin and not excavate; coxa 4 nearly as long 

 as coxa 3, surface area subequal to coxa 3, adze-shaped; article 6 of 

 gnathopods trapezoidal or subovate, palms oblique, bearing one or 

 two large, nonserrate or distally flagellate locking spines; telson 



