FACING PAGE 



FORAMINIFERA 1 13 



MICROSCOPIC PLANTS 128 



DIATOMS 129 



FLATWORMS 144 



SEGMENTED WORMS 144 



TUNICATES 145 



SPONGES 145 



UNIVALVE MOLLUSKS l6o 



SKELETON OF A CORALLINE, ATTACHED TO AN OYSTER 



SHELL l6l 



LARGE JELLYFISHES Ij6 



GULLS 192 



THE SWORDFISH 193 



THE RAY 2o8 



GONIONEMUS, A HYDROID JELLYFISH .... 209 



LIVING JEWELS OF THE SEA 224 



THE SPIDER-CRAB 24O 



THE SEA-ROBIN 24 1 



SEAWEEDS 256 



HAULING IN THE TOW-NET DURING A RAIN-STORM . 257 



EXAMINING THE TOW-NET CATCH 2$7 



FAIRY AND FLOWER-LIKE FORMS OF THE SEA . . . 264 



THE SEA-HORSE 288 



THE HORSESHOE-CRAB 289 



THE GREEN-CRAB 304 



PREPARING THE NOCTURNAL MEAL 305 



[xii] 



