132 



PAGE 



Nematodes. . 119,123 

 Nemertinea 119, 121, 123 

 9 

 . 125 

 13 



Neomenia 



Nereis . . . . 



Neritidse . 



Non - parasitic 



Worms . 

 Nucleobranchiata . 

 Nuculidse . 

 Nudibranoliia 



121 



22 



31 



23,24 



OCTACNEMID^ . 



Octopus 

 Oikopleura . 

 Oligochseta 

 Olividse. 

 Ophiacantha . 

 Ophiuroidea 

 OiJisthobrancliia 

 Orange Cowry. 

 Ormers . 

 Ostreidse 

 Ovulidse 

 Oyster . 



Panthalis. 

 Paper-Nautilus 

 Patella . 

 Pearl- Oyster . 

 Pearly Nautilus 

 Pectinibrancliia 

 PectinidsB . 

 Pedata . 

 Pedicellinidse . 

 Pelmatozoa 

 Pentaceros . 

 Pentacrinus 

 Periwinkle. 

 Peropbora . 

 Phallusia . 

 Pbaryngodictyon 

 Pholas . 

 Pbylactolsemata 

 Piddocks . 

 Pinna . 

 Piscicola . 

 PJanaria 

 Platybelminthes 

 Pleurotoniaria 

 Pleurotomidaj . 

 Plumatella 

 Polycbseta . 

 Polyclinidse 

 Polyplacopliora 

 Polypus 

 Polyzoa 

 Pond-Mussel . 



. 100 

 . 46 

 104, 105 

 125, 127 

 . 20 

 111,115 

 112,114 

 23 



111 



15 

 12 

 37 

 15 

 36 



126 



46 



9 



33,34 



50 



13 



36 



118 



73 



111 



114 



,113 



14 



95,96 



93 



98,99 



43 



70 



43 



37,38 



127 



121 



119 



11 



20 



71,72 



125 



96 



7 



46 



54-73 



5 



INDEX. 











PAGE 





PAGE 



Pond-Snails . 



27 



Slipper-Limpets 



14 



Poutobdella 



127 



Slit-Limpets . 



11 



Poromyidse . 



45 



Slugs . . . 



28 



Poulp . 



7 



Snails . 



27 



Proneomenia . 



7 



Solenidse . 



42 



Protobranchia . 



31 



Solenomyidffl . 



31 



Psolus . 



118 



Spatangus . 



109 



Pterocera . 



18 



Spirula 



49 



Pteropoda . 



23 



Spondylidse 



36 



Pterotracbeidse 



22 



Squid .... 



46 



Pulmonata. 



25-28 



Stalked Crinoids 110, 112 



Purpura 



20 



Starfishes . 



108 



Pyrosoma . 



90,99 



Stichopus . 



107 







Streptoneura . 



9 







Streptophiurse 



115 



Radiolitid^ . 



41 



Strombidse . 



17 



Razor-sbells 



42 



Strongylus 



120 



Retepora . 



65,66 



Styelopsis . 



92 



Rliodosoma 



93,94 



Stylommatophora . 



27 



Rhopalsea . 



96 



Synapta . . . 107, 118 



Rbynchonella . 



82 







River-Snails . 



13 







Eock-sbells 



20 



T^NiA . . .119,120 



Round -Worms. 



. 123 



Tapeworm . 



119 







Tectibranchia . 



23 







Telliua . . . 



40 



Sabellaria 



. 125 



Terebella . 



126 



Saddle-Oysters 



32 



Terebratula 



74,82 



Salpa . .90,1 



30-103 



Terebratulina . 



82 



Salpidpe 



. 100 



Terebridse . 



21 



Scala 



. 17 



Teredo . 



43,44 



Scallops 



. 35 



Testacella . 



28 



Scaphoi^oda 



. 28 



Tethys . . . 



24 



Schizoporella . 



65 



Thaliacea . 



100 



Scorpion-shells 



. 18 



Thecalia . 



37 



Screw-shells . 



. 17 



Thecidium . 



. 81 



Scrobiculariida} 



. 40 



Thecosomata . 



23 



Scrupocellaria . 



.60,62 



Thorn - headec 





Scutibranchia . 



9 



Worms . 



125 



Sea-Butterflies 



. 23 



Thorny Oysters 



36 



Sea- Cucumbers 1 



36, 117 



Thread-worms. 



123 



Sea-Hare . 



.23,24 



Thysanozoon . 



121 



Sea-Lilies . 



. 106 



Tooth-shells . 



28 



Sea-Mat . . 



. 54 



Top-shells . 



12 



Sea-Mouse . 



. 122 



Trematoda 



119 



Sea-Slugs . 



. 106 



Trepang 



118 



Sea-Urchins . 1 



06, 115 



Trichina 



124 



Sea-Woodlice . 



7 



Trichocephalus 



123 



Selenariidse 



. 64 



Tridacnidee 



41 



Semele . 



. 40 



Trigonia . 



. 33 



Sepia . 



.46-48 



Trochetia . 



. 128 



Sepiola . 



. 46 



Trochidse . 



12 



Septibranchia . 



. 45 



Trumpet-shells 



18 



Septidse 



. 18 



Tubifex . . 



127 



Serpula . 



. 125 



Tubulipora 



69,70 



Ship-worm 



. 43 



Tunicata . 



^3-105 



Silk Coralline . 



. 68 



Tun-shells . 



. 18 



SipLonariidse . 



. 26 



Turbellaria 119, T 



n, 123 



Sipuuculus. 



. 129 



Turbinidse . 



. 12 



