INDEX 



275 



Pulmonata, 123 

 Pycnogonida, 166, 198 

 Pyrsonympha, 17 



Quahog, 124 



Radiolaria, 18 

 Razor-shell clam, 140 

 Regularia, 211 

 Renilla, 42, 61 

 Rhabdocoelida, 66 

 Rhabdopleura, 231 

 Rhizopoda, 18 

 Rhynchobdellida, 91 

 Rotifer, 84 

 Rotifera, 84 

 Round- web spider, 196 



Sabella, 90 

 Saccocirrus, 90 

 Sagartia, 42 

 Sagitta, 79 

 Salpa, 232, 242 

 Sand mole, 180 

 Sarcocystis, 20 

 Sarcodina, 17, 22 

 Sarcoptes, 166 

 Scallop, 136 

 Scaphopoda, 123 

 Schizogregarinida, 19 

 Schizoporella, 86, 88 

 Scolopendrell#, 166 

 Scorpion, 195 

 Scorpionida, 166 

 Scyphozoa, 41, 55 

 Sea-anemone, 59 

 Sea cucumber, 226 

 Sea pork, 240 

 Sea urchin, 220 

 Sections, 248 



Sepia, 123 



Septibranchia, 122 



Serpent-star, 219 



Sertularia, 41, 48 



Shrimp (fairy), 185 

 (goat), 184 



Silenia, 122 



Simocephalus, 165 



Siphonophora, 41, 54 



Solemya, 138 



Solpugida, 166 



Sow-bug, 184 



Spatangoidea, 211 



Sphaeractinomyxon, 20 



Spider, 196 



Spirochona, 19 



Spirorbis, 90, 109 



Spirostomum, 19, 27 



Spirotricha, 19 



Spirula, 123 



Spongilla, 36, 40 



Sporozoa, 19, 31 



Squid, 153 



Staining, 246 



Starfish, 212 



Stauromedusae, 42 



Stemonitis, 18 



Stentor, 19 



Stomatopoda, 165 



Streptoneura, 123 



Streblomastix, 17 



Strongylocentrotus, 211, 220, 221 



Styela, 232 



Stylaster, 54 



Stylochus, 66 



Stylonychia, 19, 29 



Suberites, 36 



Suctoria, 19 



Sycon, 36, 37 



Sycotypus, 143 



Symphyla, 166 



Synaptula, 212 



Syncoelidium, 66, 68 



Syzygies, 32 



