INDEX 



Molluscs, 10-14, 5*. 133. 135-6. 



282 

 Mormyros, 162 

 Mouth of fishes, 73, 77, no, 



1 2 1-8 

 Mullets, 235-44 



Murry eel, 140-8, 153-5, 217, 235 

 Muscles, 29-31, 167-70 

 Mussels, 13, 220 



Nematocysts, 151-2 



Octopus, 51, 137, 220 

 Oncorhynchus , 197-8 

 Ostracods, 9 



Oxygen content of water, 225-7 

 Oysters, breathing of, 220 

 Oysters, pearl, 280 



Pearl-fish, 283 

 Pearls, 285-8 

 Perch, 183, 195 

 Perch, sea, 41, 43, 58 

 Phosphorescence, 9, 10 

 Pike, bony, 82 

 Plankton, 2, 4-7. 176-89 

 Poisonous animals, 140-55 

 Porbeagle shark, 106, 109, 114 

 Porpoises, 12, 22-3 

 Pteropods, 10 



Quinnat, 197-8 



Ray, eagle, 41, 44, 46 

 Ray, electric, 44, 157-60 

 Ray, sting, 145-6 

 Ray-animalcules, 81 

 Respiration of marine animals, 



208-29 

 Rudd, 273 



Salmon, 197, 223 



Sargo, 43, 58 



Scales, 89, 95-8, 270-3 



Scorpion-fish (Scorpcena), 58, 212 



Sea anemones, 65, 131, 150 



Sea bottom, life on the, 13, 55, 59 



Sea bream, 43, 58, 235 



Sea cucumber, 66, 286, 289-92 



Sea horses, 47, 76 



Sea mouse, 7 



Sea perches, 41, 43, 58 



Sea scorpions, 84-5 



Sea squirts, 10, 66, 133 



Sea urchins, 10, 66 



Seaweeds (Algse), 4, 7 

 Sepias, 51 



Sharks, 8, 12, 104-20, 218 

 Sight, in fishes, 251-67 

 Silurus, 202 

 Siphonophores, 10, 152 

 Skate, 41, 44, 161, 218 

 Skeleton, 75-83 

 Smell and taste, 245-50 

 Smelts, sand, 127-8 

 Spiracle, 218 

 Sponges, 64, 1 30-1 

 Squids, 8, 52 

 Starfish, 66 



Stickleback, 296, 300-5 

 Sun-perch, 194, 197, 200, 206 

 Surmullet, 240 

 Swimming, 20-56, 141, 163 



Tail, use in swimming, 24, 27 



Taste and smell, 245-50 



Teeth, 46, 73, 108-17, 139, 143, 



148-9 

 Temperature, of fish's body, 32 

 Temperature, of water, 225, 229 

 Thread-cells, 15 1-2 

 Tide, in Gulf of Gabes, 39 

 Topes, 106 



Torpedo fish (Ray), 44, 157-61 

 Trawling, 2 

 Trepang, 66 

 Trigger-fish, 72-8 

 Trout, 173, 198, 223-30 

 Tunis, oceanographic station, 41 

 Tunnies, 25, 31, 44, 232 

 Turtles, 50 



Velella, 15, 16 



Venus's girdle, n, 12 



Venus's shoe, 14 



Vertebrae, 29 



Vibrations, perception of, 268-76 



Viper, skull of, 149 



Viper, poison of, 153 



Walking fish, 76 



Water-fleas, 9, 178, 190 



Wels, the, 202, 204 



Whales, 8, 22 



Whitefish, 173-5 



Worms, marine, 7, 13, 82, 220 



Zeidae and Zeus, 127 

 Zoea, 11 

 Zosteraceae, 59 



