LIST OF PLATES. 



PAGE 



Sea Cucumber Fronti^iece 



polystomella 16 



Sponges 56 



Dalmatian Sponge Fishery 64 



gorgonia verrucosa 72 



TUBULABIAN HYDBOID 80 



Hydroid Jelly-Fishes 82 



Hydroids 86 



Coralline Jelly-Fish 90 



Pleurobrachia and Bougainvillea 110 



European Sea-Anemones 114 



Bed Coral 122 



Cork Polyp 128 



Living Cbinoids 146 



Star-Fish, Holothubian, and Worms 160 



Marine Worms 228 



Bivalve Molluscs 276 



American Land Shells 314 



American Pond Snails 340 



Pterotrachea 356 



Musk Poulpe . . . • 372 



CUTTLE-FlSH 374, 



