LIST OF PLATES. 



PAGE 



Sea Cucumber Frontispiece 



polystomella 16 



. Sponges 56 



Dalmatian Sponge Fishery 64 



gorgonia verrucosa 72 



TUBULAKIAN HyDROID 80 



Hydroid Jelly-Fishes 82 



Hydroids 86 



Coralline Jellv-Fisii 90 



Pleurobrachia and Bougainvillea 110 



European Sea-Anemones 114 



Ked Coral 122 



Cork Polyp 128 



Living Crinoids 146 



Star-Fisii, Holothurian, and Worms 160 



Marine Worms 228 



Bivalve Molluscs 276 



American Land Shells 314 



Ameiiican Pond Snails 340 



Pterotraciiea 356 



Musk Poulpe . . . • 372 



CUTTLE-FlSH 374 



