Sphecoptera, 684 
Sphenaulax, 57 
Spheniopsis, 393 
Sphenodiscus, 585 
Sphenomya, 362 
Sphenopoterium, 95 
Sphenotrochus, 83 
Sphinctozoa, 65 
Sphingites, 565 
Sphyradium, 498 
Sphyradoceras, 520 
Spiloblattina, 683 
Spinigera, 470 
Spiractinella, 55 
Spirialis, 489 
Spirifer, 335 
Spiriferina, 335 
Spirigera, 338 
Spirigerella, 339 
Spirigerina, 334 
Spiroceras, 584 
Spirocolex, 256 
Spirocyathus, 92 
Spiroloculina, 26 
Spiropora, 262 
Spirorbis, 253 
Spirostylus, 456 
Spirula, 600 
Spirulirostra, 600 
Spirulirostrina, 600 
Spisula, 420 
Spondylobolus, 306 
Spondylus, 382 
Spongiochiton, 435 
Spongiomorpha, 95 
Spongites, 290 
Spongophyllum, 79 
Sporadoceras, 551 
Sporadopyle, 57 
Sporadoscinia, 60 
Sportella, 411 
Spyridiocrinus, 145 
Spyroceras, 519 
Squama, 650 
Squilla, 660 
Stacheoceras, 564 
Stachyspongia, 54 
Staliola, 464 
Stauria, 79 
Stauroderma, 59 
Stawrosoma, 188 
Stavelia, 386 
Stearnsia, 397 
Stearoceras, 523 
Steganocrinus, 142 
Steganoporella, 287 
Stegaster, 244 
Steinmannites, 560 
Stelidocrinus, 148 
Stellipora, 264, 276 
Stellispongia, 64 
Stellocavea, 265 
Stelloria, 8S 
Stemimatocrinus, 162 
Stenarcestes, 565 
Stenarthron, 679 
Stenaster, 207 
Stenochirus, 664 
Stenochisma, 323 
Stenoerinus, 152 
Stenogyra, 496 
Stenomphalus, 478 
Stenoneura, 683 
Stenonia, 244 
Stenophlebia, 685 
Stenopoceras, 525 
Stenopora, 277 
Stenosmilia, 90 
Stenotheca, 460 
Stenothyra, 464 
Stephanites, 558 
Stephanoceras, 580 
Stephanocoenia, 90 
Stephanocrinus, 137 
Stephanophyllia, 93 
Stepheoceras, 580 
VOL. I 

INDEX 
Stereocrinus, 148 
Stereopsammi, 93 
Stethaneura, 683 
| Steueroceras, 587 
Stiboria, 8S 
Stichopora, 285 
Stictopora, 279 
Stictoporella, 279 
Stictotrypa, 279 
Stigmatopygus, 240 
Stirechinus, 233 
Stirpulina, 391 
Stoliezkaria, 111 
Stomatella, 447 
Stomatia, 447 
Stomatograptus, 119 
Stomatopora, 260 
Stomatopsis, 467 
| Stomechinus, 230 
Stomopneustes, 232 
Stortingocrinus, 136 
Stramentum, 650 
Straparollina, 446 
Straparollus, 446 
Streblites, 569 
Streblotrypa, 281 
Strenoceras, 583 
Strephocladus, 684 
Strephodes, 79 
| Strepsidura, 477 
Streptelasma, 75 
Streptis, 315 
Streptoceras, 531 
Streptocrinus, 158 
Streptorhynchus, 315 
Striatopora, 100 
Stricklandinia, 321 
Strigatella, 480 
Strigilla, 417 
Strigocaris, 655 
Strigoceras, 569 
Stringocephalus, 327 
Strobaeus, 456 
Strobilepis, 649 
Strobilospongia, 55 
Stroboceras, 523 
Stromatomorpha, 95 
Stromatoporella, 113 
Stromatotrypa, 275 
Strombodes, 79 
Strombus, 471 
Stromotopora, 112 
Strongylocentrotus, 232 
Strophalosia, 317 
Stropheodonta, 313 
Strophiceras, 522 
Strophocheilus, 495 
Strophomena, 314 
Strophonella, 313 
Strophostoma, 460 
Strophostylus, 461 
Strotocrinus, 142 
Strotopora, 270 
| Struthiolaria, 471 
Studeria, 241 
Stuorella, 443 
Stylaraea, 96 
Stylaster, 109 
Stylastraea, 87 
Stylaxis, 78 
Stylina, 89 
Styliola, 489 
Stylocoenia, 90 
Stylocora, 86 
Stylocrinus, 136 
Stylodictyon, 113 
Stylohelia, 85 
Stylonurus, 676 
Stylophora, 85 
Stylophyllopsis, 86 
Stylophyllum, 86 
Stylotrochus, 83 
Styrites, 558 
Subelymenia, 523 
Subemarginula, 446 
Subulites, 457 

Suecoceras, 514 
Suessia, 335 
Suleocava, 262 
Sulcuma, 647 
Sunetta, 415 
Surcula, 482 
Sutneria, 580 
Sycoceras, 530 
Sycocystites, 185 
Syecum, 478 
Symbathocrinus, 136 
Symphyllia, 8S 
Syncyclonema, 381 
Syndosmya, 418 
Synhelia, 84 
Synocladia, 283 
Synodonitites, 404 
Synopella, 64 
Syntrophia, 320 
Syringoceras, 521 
Syringolites, 99 
Syringopora, 101 
Syringosphaeria, 111 
Syringostroma, 113 
Syringothyris, 336 
Syrnola, 457 
Systrophoceras, 520 
Taeniaster. 203 
Taeniodietya, 279 
Taeniopora, 280 
Tagelus, 419 
Tainoceras, 524 
Talarocrinus, 140 
Tancredia, 407 
Tanysiphon, 417 
Tapes, 416 
Tarphyceras, 519 
Taurinia, 475 
Tauroceras, 376 
Taxocrinus, 163 
Technocrinus, 147 
Tectwra, 442 
Tectus, 451 
Teinostoma, 452 
Teleiocrinus, 142 
Telescopium, 470 
Tellidora, 417 
Tellina, 417 
Tellinomya, 363 
Tellinopsis, 362 
Temnechinus, 232 
Temnocheilus, 524 
Temnocidaris, 225 
Temnopleurus, 232 
Temnotropris, 444 
Tenarocrinus, 158 
Tenea, 410 
Tenka, 367 
Tentaculites, 490 
Terebella, 253 
Terebellum, 471 
Terebra, 481 
Terebratalia, 331 
Terebratella, 333 
Terebratula, 329 
Terebratuloidea, 324 
Terebrirostra, 331 
Teredina, 424 
Teredo, 424 
Teredolites, 424 
Terquemia, 374 
Tessarolax, 471 
Testacella, 496 
Tetanocrinus, 170 
Tethyopsis, 46 
Tetinka, 367 
Tetrachela, 661 
Tetracidaris, 225 
Tetracrinus, 170 
Tetractinella, 339 
Tetradella, 644 
Tetragonites, 569 
Tetragonoceras, 525 
Tetragraptus, 118 
Tetrameres, 531 
Tetrameroceras, 531 
Tetramorion, 531 
Tetrataxis, 29 
Teuthopsis, 603 
Textularia, 28 
Thalamopora, 31, 65 
Thalassina, 664 
Thalassites, 375 
Thalassoceras, 553 
| Thallostiyma, 269 
| Thamnastraea, 94 
Thamnisecus, 283 
Thamnograptus, 114 
| Thamnophyllum, 76 
Thaumastocoelia, 65 
| Thaumatocrinus, 175 
Theea, 491 
Theecalia, 399 
Thecidea, 315 
Thecidella, 316 
| Thecidiopsis, 316 

Thecidiwm, 315 
Thecocyathus, 84 
Thecocyrtella, 335 
Thecosiphonia, 49 
Thecosmiilia, 88 
Thecospira, 340 
Thecostegites, 102 
Theonoa, 263 
| Thersitea, 471 
Thetidites, 558 
Thlipsura, 645 
Tholiasterella, 56 
Thomasina, 308 
Thoracoceras, 519 
Thracia, 390 
Thrincoceras, 523 
Thuraminina, 23 
Thurmannia, 585 
Thylacocrinus, 146 
Thylacodes, 466 
Thysanoceras, 572 
Thysanocrinus, 145 
Tiaracrinus, 188 
Tibetites, 560 
Tichogonia, 386 
Tilesia, 263 
Timanites, 550 
Tindaria, 364 
Tinoporus, 31 
Tirolites, 559 
Tissotia, 590 
| Tityus, 679 
Tivela, 416 
Tmaegoceras, 575 
| Tmetoceras, 574 
Tomocheilus, 458, 459 ° 
| Tonicella, 435 
Tonicia, 436 
Tonoceras, 587 
_ Torellella, 490 
Torinia, 458 
Tornatella, 484 
Tornatellaea, 484 
Tornatina, 487 
Torneutoceras, 586 
Tornoceras, 551 
Toucasia, 400 
Tournoueria, 464 
| Toxaster, 245 
_ Toxopneustes, 233 
Trachyceras, 560 
| Trachydermon, 435 
Trachydomia, 458 
Trachynerita, 458 
Trachyodon, 436 
Trachypora, 99 
Trachysagenites, 554 —— 
Trachyteuthis, 602 
Tragophylloceras, 568 
Trapezium, 395 
Tremabolites, 61 
Tremadictyon, 57 
Trematella, 277 
Trematis, 309 
| Trematobolus, 309 
Diez 
