1906. 



NATURAL SCIENCES OF PHILADELPHIA. 



615 



Serrasalmo iridopsis J^lfl 



maculatus Ifid 



nattereri.., ^68 



piraya JfiS 



Serrasalmus tesopus 469 



humeralis 469 



immaculatus — 471 



iridopsis — 471 



maculatus 469 



Seserinus -119, 119 



alepidotus — 119 



xanthurus 119 



Siluridse 88 



Sinipta 19 



Siphostoma 93 



Sisantum 19, 20, 20, 21 



notochloris _ 20,^0 



Spelerpes bilineatus 357 



Sparidse. 99 



Sparisoma flavescens 102 



hoplomystax 488 



Sparus raii. 121 



Sphterium (Limosina) singleyi...'75, 174 



yucataneiise ITS 



Spharagemon 378 



aequale 378 



bolli 379 



collare 379 



c. angustipenne , 379 



venustum 378 



Spheroides 104 



nephelus 103 



plumieri 103 



Sphyradium 215,530 



alexanderi 215,216 



sliarpi 215,216 



Sphyrsena barracuda 92 



Sphyrsenidse 92 



Sphyraenocharax 460 



Sphyrna 80 



Squalus galeus 79 



squatina 80 



tiburo 80 



zygaena... _ 80 



Squatina 80 



Starksina ,. 476 



herniarius 476 



Stauroderus 369 



curtipennis 369, 371 



Stauronereis annulatus 225 



Staurorhectus 31, 33, 33, 36 



glaucipes 34 



longicornis 33, 33, 34 



Steindachnerina... 298 



Steiroxys 417 



pallidipalpus.... 417 



trilineata 417 



Stenobothrus .v ....33, 369 



bicolor ...3^5,365 



coloradus..... 365 



gregarius 4-^)45 



Stenobothrus tepanecus 28 



\iatorius Ul 



Stenogyridae 148 



Stenotrema 530, 532, 540 



leai..... 542 



monodon olt.2 



Stephanolepis hispidus 102 



Stereotettix 31 



Stethaprion chryseum 482 



ervthrops -- — 480 



Stirapleura 39, 42, 49, U9 



bruneri - 49 



brunnea - 50 



chilensis 49 



decussata 49 



humilis 49,50 



obscura 50 



pallida 50 



signatipennis 49, Ii.9, 50 



variabilis 49 



Stizostedion canadense 520 



c. boreum 521 



vitreum 520 



Striatura 153 



Strobilops 148 



hubbardi 148 



labjTinthica 148 



1. texasiana 124, 147, 534, 557 



strebeli 148 



virgo 148 



Stromateidee 1 16 



Stromateinge 116 



Stromateus 1 16 



brasiliensis - 116 



fasciata 118 



fiatola - 1 16 



maculatus 118 



Stygicola 484 



Succinea avara 161, 533, 564 



campestris - 161 



concordialis 159 



floridana 158 



forsheyi 159 



greerii.. - 161 



grbsvenori ...161, 533 



haleana 159,\m 



halei ...159,159 



lineata 161 



luteola 158 



lutescens 158 



mooresiana 161 



ovalis— --- 533 



retusa 159,533 



texasiana 158 



wilsoni 159 



Succineidse 158 



Syngnathidse 93 



Syngnathus 93 



acus 93 



elucens - 93 



louisianse 93 



