200 



INDEX. 



Polychsota, 70 

 Polychoerus, 35 

 Polycladida, 35 

 Polygordius, 70 

 Polystomum, 35 

 Polyzoa (Cestoda), 35 

 Polyzoa (Molluscoida), 50 

 Pontobdella, 71 

 Porcellio, 125, 142 

 Porifera, 14 

 Preparations, 175 

 Prorodon, 3 

 Proterospongia, 2 

 Protobranchia, 89 

 Protozoa, 1 



Pseudo-lame] libranchia, 89 

 Pseudo-scorpionida, 125 

 Pulmonata, 90 

 Pycnogonidia, 126, 152 



QUOHOG, 91 



Radiolaria, 1 

 Razor-shell clam, 105 

 Regularia, 54 

 Renilla, 19, 32 

 Reticulariida, 1 

 Rhabdocoelida, 35 

 Rhizopoda, 1 

 Rhynchobdellida, 71 

 Rotifer, 48 

 Rotifera, 48 

 Round-web spider, 150 



Sabella, 70, 85 

 Saccocirrus, 70 

 Sagartia, 19 

 Sagitta, 46 

 Salpa, 164, 172 

 Sand mole, 139 

 Sarcocystis, 3 

 Sarcodina, 1, 3 

 Sarcoptes, 126 



Sarcosporidiida, 3 

 Scallop, 101 

 Scapliopoda, 90 

 Schizopoda, 124 

 Scolopendrclla, 126 

 Scorpion, 149 

 Scorpionida, 125 

 Scyphozoa, 18, 27 

 Sea-anemone, 30 

 Sea-cucumber, 67 

 Sea-pork, 170 

 Sea-urchin, 61 

 Sections, 178 

 Sepia, 91 

 Septibranchia, 89 

 Serpent-star, 60 

 Sertularia, 23 

 Shrimp (fairy), 143 

 Silenia, 89 



Siphonophora, 18, 27 

 Sminthurus, 127 

 Solenomya, 103 

 Solpugida, 125 

 Sow-bug, 142 

 Spatangoidea, 54 

 Spider, 150 

 Spirorbis, 70, 86 

 Spirostomum, 3, 11 

 Spirula, 91 

 Spongilla, 14, 17 

 Sporozoa, 2, 9 

 Squid, 115 

 Squilla, 125, 139 

 Staining, 176 

 Starfish, 55 

 Stauromedustc, 19 

 Stentor, 3 

 Stomatopoda, 125 

 Streptoneura, 90 

 Strong>docentrotus, 54, 63 

 Stylaster, 27 

 Stylochus, 35 

 Stylonychia, 13 



