Stelligera 207, 209. 

 Stelligeridae 219. 

 Stelospongia 212, 213. '.'18. 

 Stemmatodus 201. 

 Stenhelia 4^i''. 

 Stenobothrus 53, 718. 

 Stenocypris 603. 

 Stenogyra 149, 469. 

 Stenogyrinae 151. 

 Stenomelania 153. 

 Stenopodiua 126. 

 Stenorhynchu* 637. 

 Stenotlierni 310, 349. 

 Stcnothysa If) 3. 

 Stentor 839. 

 Stephalia 888. 

 Stephanoceras 385, 8'.H'.. 

 Stephanomia fe>86. 

 Stephanophyes 740. 884. 

 Step hanophyinae 745. 

 Xtephanops 605. 

 Stereocidaris 614. 

 Sterna 49, 355. 

 Stemaspis 517. 

 Sternothaerus 626. 

 Sternothocheres 182, 183, 187, 188 

 Sterraster 6'.K>. 

 Slhenocephalus 564. 

 Stethophyma 527. 

 Stichocotyle 842. 

 Stichodactis 610. 

 Sticholonche 833. 

 Stichostemma 066. 

 Stiroma 126. 

 Stizostedion 406. 

 Stoffwechsel 44u, 482. 

 Stoliczkaia 731. 

 Stolonenljildung 396. 

 titototermes 414. 

 Stomaphis 231. 

 Stomatopoda 569, 571. 

 Stomatopora 507, 617. 

 Stomobrat'hium 703. 

 Stomotoca 702. 

 Streblocerus 125, 376. 

 Strebloptcria 877. 

 Strepsiceros 476. 

 Streptaulus 146. 

 Streptaxidae 149. 467. 

 Streptaxis 149. 150, 151, 467. 

 Streptocephalus 376, 456, 50. 

 Streptostele 149, 151, 467. 

 Streptosiyla 469. 

 Strigidae 338, 629. 

 Sfriz 629. 



Stromatopuroidea 493. 

 Strombus 574. 



Strongylacidon 208, 216, 219. 

 Strougylidae 266, 507. 

 Strongylocentrotus 2, 708. 

 Strongylosoma 85. 



Strongylus 48, 49, 124, 173, 266, 355, 

 840, 845. 



. (.'ontr;ill>l. V. Jalirir. 



832, 



Sfaderiana 467. 



)S7//cia 601. 



Stylasteridae 609. 



Stylinae 256. 



Stylinidae 261. 



Stylocordylidae 219. 



Stylodon 467. 



Stylodrilus 159. 



S tylo mmat o ph o r a 148. 151, 468, 653. 



Stylopyga 411. 



Stylotella 698. 



Suberanthus 210, 211, 212, 213, 214, 215, 



218, 219, 698. 

 Suberites 206, 207, 209, 210. 211, 213,215, 



216, 217, 218. 

 Suberitidae 219. 

 Suberogoryia 607. 

 Subhypodermalzelleu 758. 

 Subulina 149, 150, 151, 468, 469. 

 Subulona 151. 

 Subumbrellavtaschen 704. 

 Succinea 149, 153, 156, 469, 683, 828. 

 Succineidae 149, 153. 

 Suctoria 52, 446, 835, 836. 

 Sitdi's 134. 

 Suensonia 607. 

 Sulcospira 153. 

 Super positae 740. 

 Super stiti 496. 

 Suriraya 487. 

 Surirella 178. 

 Surycerus 125. 



SMS 106, 139, 312, 356, 688. 

 Syrandra 581. 

 Sycetta 694. 

 Syconidae 582. 

 Symuietrieverhaltnisse 690. 

 Synaphobranchus 485. 

 Synapsis 109. 

 Synaptti 615. 

 Synaptidae 566, 615. 

 Synaptinae 615. 

 Syuascidiae 423, 424. 

 Syncoryne 396. 

 Syudactylie 635. 

 Syneryus 378. 

 Syngamus 356, 746. 

 Synopeas 469. 

 Synophorus 378. 

 Sijnstyela 429. 

 Synthetodus 724. 

 Syritta 620. 

 Syrnolopsis 151, 573. 

 Syromastes 411, 757. 

 Syrphidae 530. 

 Syrphus 332. 

 Systcllonotus 294. 



T. 



Tabulata 493. 

 Tachea 571. 



70 



