212 



INDEX. 



Pleurotricha, 3, 14 

 Plumatella, 56, 58 

 Plumularia, 28 

 Podophyra, 3 

 Polychaeta, 78 

 Polychoerus, 39 

 Polycladida, 39 

 Polygordius, 78 

 Polystomum, 39 

 Polyzoa (Cestoda), 39 



(Molluscoida), 56 

 PontobdeUa, 79 

 Porcellio, 134, 152 

 Porifera, 17 

 Preparations, 187 

 Prorodon, 3 

 Proterospongia, 2 

 Protobranchia, 97 

 Protozoa, 1 



method for preparing, 191 

 Pseudo-lamellibranchia, 97 

 Pseudo-scorpionida, 134 

 Pulmonata, 98 

 Pycnogonidia, 135, 162 



QUAHOQ, 99 



RADIOLABIA, 1 

 Razor-shell clam, 113 

 Regularia, 60 

 Renilla, 23, 36 

 Rhabdocoelida, 39 

 Rhizopoda, 1, 4 

 Rhynchobdellida, 79 

 Rotifer, 54 

 Rotifera, 54 

 Round-web spider, 160 



SABELLA, 78, 93 

 Saccocirrus, 78 

 Sagartia, 23 

 Sagitta, 51 

 Salpa, 174, 183 



Sand mole, 148 

 Sarcocystis, 3 

 Sarcoptes, 135 

 Sarcosporidia, 3 

 Scallop, 110 

 Scaphopoda, 98 

 Schizopoda, 133 

 Scolopendrella, 135 

 Scorpion, 159 

 Scorpionida, 134 

 Scyphozoa, 22, 32 

 Sea-anemone, 34 

 Sea-cucumber, 74 

 Sea-pork, 181 

 Sea-urchin, 68 

 Sections, 190 

 Sepia, 99 

 Septibranchia, 97 

 Serpent-star, 67 

 Sertularia, 28 j 

 Shrimp (fairy), 153 

 Silenia, 97 



Siphonophora, 22, 31 

 Sminthurus, 136 

 Solenomya, 112 

 Solpugida, 134 

 Sow-bug, 152 

 Spatangoidea, 60 

 Spider, 160 

 Spirorbis, 78, 94 

 Spirostomum, 3, 12 

 Spirula, 99 

 Spongilla, 17, 21 

 Sporozoa, 2, 10 

 Squid, 124 

 Squilla, 134, 149 

 Staining, 188 

 Starfish, 61 

 Stauromedusae, 23 

 Stentor, 3 

 Stomatopoda, 134 

 Streptoneura, 98 

 Strongylocentrotus, 60, 68, 



