ILLUSTRATIONS. 



FIGURE PAGE 



A CoHAL Reef of the 



Bahamas . . . Frontispiece 



1 Living CoMMEuriAi. Sponge . 26 



2 Skeleton of the CoMMEiiciM, 



Sponge 26 



3 Ret. Sponge 27 



4 Red Sponge 27 



5 Clam Shell infesteu with 



boring Sponge .... 28 



6 The Finger Sponge .... 28 



7 Urn Sponge 29 



8 Portuguese Man-of-Wai; . . 30 



9 MiLKY-wsK Jellyfish ... 33 



10 Speckled .Jellyfish .... 34 



11 GONIONEMUS MuRBAcnii . . 35 



12 Passion-flower HyoROiD . . 36 



13 Eel-grass Hydroid .... 37 



14 Sea-pu ME 38 



1.5 Eyed-coral 40 



16 Star-coral, showing living 



POLYPS 41 



17 Stony Skeleton OF Star-cor.vl 42 



18 Fleshy Coral 12 



19 Brown Sea-Anemone .... 43 



20 Brown Sea- Anemone (contracted) 44 



21 White-armed Anemone . . 45 



22 Sand-Anemone 46 



23 Cake-Anemone 48 



24 Common Starfish 50 



25 Horseshoe Crab, Common Star- 



fish AND Green Sea-Urchin 52 



26 Blood-Star 54 



27 Mud-Star 55 



28 GLiNT Starfish 56 



29 Brittle Star ...... 57 



30 Basket Starfish 58 



31 Purple Sea-Urcuin . , . , 58 



