— 808 — 
Saxicava, 17, 103. 
Saxidomus, 585. 
Scaeurgus, 594 
Scalaria, 48, 379. 
Scaphander, 168, 176, 261. 
Schixochiton, 201, 272 
Scintilla, 413, 770. 
Scioberetia, 456, 484, 589. 
Scissurella, 93, 206, 771. 
Scrobicularia, 198, 568. 
Scurria, 224. 
Scyllaeu, 219, 485. 
Semele, 429. 
Sepia, 18, 20, 67, 140, 217, 268. 270, 
271, 292, 301, 304, 484, 490, 494 499, 
512, 530, 593, 594, 598, 599, 795. 
Sepiola, 105, 140, 268, 301, 500, 599. 
Septaria (Navicella), 130. 
Septifer, 15, 454. 
Serpula, 584, 585. 
Serripes, 16. 
Sigaretus, 32 
Silenia, 215, 499. 
Suliquaria, dÙ. 
Simnia, 582, 
Sinusigera, 457, 614. 
Sipho, 165. 
Siphonaria, 190, 210, 431, 467, 474, 534, 
51, 626. 
Siphonodentalium, 133, 181. 
Solarium, 124. 
Solen, 103, 104, 137, 599, 598. 
Solenomya, 18, 109, 103, 134, 213. 
Spatha, 62. 
Spelaeoconcha, 595. 
Sphaenia, 54, 103. 
Sphaerechinus, 334. 
Sphaerium (Cyclas), 62. 
Spirialis, 196. 
Spirula, 16, 247. 
Spisula, 96. 
Splanchnotrophus, 180. 
Spondylus, 525, 529, 585, 587, 692. 
Spongiobranchaea, 157. 
Spurilla, 95, 96, 175. 
Staurodoris, 470. : 
Stenogyra, 195, 187, 9253, 481, 676, 677 
Stenoteuthis, 268. 
Sulifer, 483, 633, 635. 
Stimps ma, 03. 
Strepomatidae, 444, 664, 768. 
Streptaxis, 26, 560. 
Strombus, 21, 40, 168, 930, 282, 497, : 
998, 916, 630. 
Strongylocentrotus, 677. 
Strophia, 46, 48, 411. 
Strophitus, 688. 
Stylina, 635. 
Stylodonta, 31. 
Subemarginula, 109, 274. 
Subularia, 635 
Succinea, 19, 34, 145, 159, 980, 300, 
459, 470, 480, 497, 519, 539, 533, 538, 
912 608, 665, 723. 
Susania, 160, 207. 
Sycon, 497. 
Sycotypus, 296, 4592. 
Symphinota, 62. 
Synascidies, 486. 
Syndosmya, 103. 
Syndromus, 136. 
T 
Tacheu, 33, 674, 678, 680. 
Tanalia, 6, 130, 370, 375, 711, 793. 
Tanganyicia, 6, 712. 
Tapes, 52, 53, 63, 103, 104, 223, 386, 
396, 431, 491, 499, 495, 499, 557. 569, 
592, 597, 598, 627. 
Telescopium, 285. 
Tellina, 55. 181, 194, 376, 430, 431, 474, 
569, 566, 782. 
Tenagodes, 50. 
Terebellum, 108, 132, 168 
Teredo, 15, 199, 194, 198, 363, 399, 798, 
SA 
Tergipes, 95, 299, 304, 305, 307, 357, 509. 
Testacella, 126, 156, 189, 248, 958, 260, 
489. 
Tethys, 307. 
