INDEX. 



233 



Sagartia, 25 

 Sagitta, 59 

 Salpa, 195, 205 

 Sand mole, 168 

 Sarcocystis, 4 

 Sarcodina, 1, 6 

 Sarcoptes, 154 

 Sarcosporidia, 4 

 vScallop, 125 

 Scaphopoda, 113 

 Schizocystis, 3 

 Schizogregarinida, 3 

 Schizopoda, 152 

 Schizoporella, 64, 66 

 Scolopendrella, 154 

 Scorpion, 179 

 Scorpionida, 153 

 Scyphozoa, 24, 37 

 Sea-anemone, 41 

 Sea-cucumber, 83 

 Sea-pork, 203 

 Sea-urchin, 76 

 Sections, 211 

 Sepia, 114 

 Septibranchia, 112 

 Serpent-star, 75 

 Sertularia, 24, 31 

 Shrimp (fairy), 173 

 Silenia, 112 

 Siphonophora, 24, 37 

 Sminthurus, 155 

 Solemya, 127 

 Solpugida, 153 

 Sow-bug, 172 

 Spatangoidea, 68 

 Sphseractinomyxon, 4 

 Sphserella, 2 

 Spider, 180 

 Spirorbis, 87, 99 

 Spirostomum, 4, 14 

 Spirula, 114 

 Spongilla, 19, 23 

 Sporozoa, 3, 12 



Squid, 140 

 Staining, 209 

 Starfish, 69 

 Stauromedusae, 25 

 Stemonitis, 1 

 Stentor, 4 

 Stomatopoda, 153 

 Streptoneura, 113 

 Strongylocentrotus, 68, 76, 78 

 Stylaster, 37 

 Stylochus, 47 

 Stylonychia, 5, 16 

 Suberites, 19 

 Suctoria, 18 

 Sycotypus, 132 

 Symphyla, 154 

 Synaptula, 69 

 Syncoelidium, 47, 49 

 Syniira, 2 

 Syzygies, 12 



Tabanus, 155 

 Taenia, 47 



Talorchestia, 153, 171 

 Telosporidia, 3 

 TerebratuHna, 64, 67 

 Termes, 155 

 Terobranchia, 194 

 Tessera, 25 

 Tethyum, 195 

 Tetrabranchiata, 114 

 Tetrastemma, 48, 57 

 Tetraxonida, 19 

 Thalassicolla, 1 

 Thaliacea, 195 

 Thousand-legs, 183 

 Thyone, 69, 83 

 Thysanura, 155 

 Tima, 24 



Tintinnus, 5 * 



Trachelomonas, 9 

 Trachydermon, 113 

 Trachylinae, 24 



