534 



U.S. NATIONAL MUSEUM BULLETIN 271 



PSEUDORCHOMENE, Lysianassidae, 



360 

 PSEUDOTHAUMATELSON, Thau- 



matelsonidae, 475 

 PSEUDOTIRON, Synopiidae, 109, 397, 



461 

 Pseudotryphosa, to ?URISTES, Lys- 

 ianassidae, 367 

 Pterygocerus, to HAUSTORIUS, 



Haustoriidae, 256 

 Ptilocheirus, to LEPTOCHEIRUS, 



Aoridae, 154 

 Pyctilus, to ERICTHONIUS, Coro- 



phiidae, 192 

 QUADRIVISIO, Gammaridae, 247 

 QUASIMODIA, Philantidae, 412 

 REGALIA, Calliopiidae, 178, 283 

 RHACHOTROPIS, Eusiridae, 33, 173, 



229, 392 

 RIFCUS, Lysianassidae, 361 

 RONCO, Eusiridae, 229 

 ROZINANTE, Etsiridae, 230 

 RUDILEMBOIDES, Aoridae, 156 

 RUNANGA, Corophiidae, 196, 426 

 SANCHO, Calliopiidae, 25, 26, 39, 



108, 179, 215, 408, 409 

 Scamballa, to ORCHESTIA, Talitridae, 



see Talitroidae, 470 

 SCHISTURELLA, Lysianassidae, 361 

 SCHRADERIA, Eusiridae, 230 

 SCOPELOCHEIROPSIS, Lysianas- 

 sidae, 361 

 SCOPELOCHEIRUS, Lysianassidae, 



362 

 SEBA, Sebidae, 436 

 (SEGAMPHOPUS), subgenus of 



MEGAMPHOPUS, Isaeidae, 273 

 Sextonia, to IDUNELLA, Liljeborgi- 



idae, 293 

 SHACKLETONIA, Lysianassidae, 362 

 Shoemakerella, to LYSIANASSA, Lysi- 

 anassidae, 348 

 SIPHONOECETES, Corophiidae, 197 

 SOCARNESLLA, Lysianassidae, 362 

 SOCARNEI, Lysianassidae, 362 

 SOCAR NODES, Lysianassidae, 363 

 SOCARNOPSIS, Lysianassidae, 363 

 SOPHROSHNE, Lysianassidae, 363 

 SPHAEROPHTHALMUS, see In- 



certae Sedis, 202, 480 

 Spinifer, to PHOXOCEPH ALUS, 

 Phoxocephalidae, 420 



Stebbingia, to PARAMOERA, Eu- 

 siridae, 227 

 STEGOCEPHALINA, Stegocephalidae, 



443 

 STEGOCEPHALOIDES, Stegocepha- 

 lidae, 443 

 STEGOCEPHALOPSIS, Stegocepha- 

 lidae, 443 

 STEGOCEPHALUS, Stegocephalidae, 



444 

 STEGOPLAX, Amphilochidae, 141 

 STELEUTHERA, Stegocephalidae, 444 

 Stenia, dubious genus, Lysianassidae 

 (not discussed, see Stebbing, 1906) 

 STENOPLEURA, Calliopiidae, 179 

 STENOPLEUROIDES, Calliopiidae, 



179 

 STENOPLEUSTES, Pleustidae, 425 

 STENOTHOE, Stenothoidae, 28, 450 

 STENOTHOIDES, Stenothoidae, 451 

 STENULA, Stenothoidae, 451 

 STEPHENSENIA, Lysianassidae, 364 

 STEPHOBRUZELIA, Synopiidae, 461 

 Sthenometopa, to METOPA, Steno- 

 thoidae, 448 

 STILIPES, Stilipedidae, 161, 454 

 Stimpsonella, to MICRODEUTOPUS, 



Aoridae, 154 

 Stimpsonia, to MICRODEUTOPUS, 



Aoridae, 154 

 STOMACONTION, Lysianassidae, 364 

 Sulcator, to HAUSTORIUS, Haus- 

 toriidae, 257 

 SUNAMPHITOE, Ampithoidae, 113, 



145 

 Sympleustes, to STENOPLEUSTES, 



Pleustidae, 425 

 SYNCHELIDIUM, Oedicerotidae, 387 

 SYNDEXAMINE, Dexaminidae, 206 

 SYNOPIA, Synopiidae, 34, 107, 115, 



116, 462 

 Synopioides, to HALICE, Pardalisci- 



dae, 401 

 SYRRHOE, Synopiidae, 462 

 SYRRHOITES, Synopiidae, 462 

 Tahtriator, to TALITRUS, Talitridae, 



see TaHtroidea, 472 

 Talitroides, to TALITRUS, Talitridae, 



see Talitroidea, 472 

 TaHtronus, to ORCHESTOIDEA, Tal- 

 itridae, see Talitroidea, 471 



