INDEX 



377 



Sea water, Chemistry of, 216, 

 260 ; Physical properties of, 

 221, 246 ; Specific gravity of, 

 223 



Seaweeds, 25 ; Boring, 151 ; 

 Edible, 359. Plate 127 



Seas, The, Plate 1 



Seal fisheries, 291 



Seals, 24, 104, 291, Plate 104 ; 

 Feeding of, 210 



Seasonal changes in plankton, 

 243 



Seasons, 223, 243 ; in tropics, 

 249 



Seine nets, 282, 285, Text fig. 58 



Seine, Pilchard, 283 



Sepia, 106, Plate 39 



Serpula, 33, 62 



Sertularia, Plate 20 



Shallow-water fishes, 90 



Shallow-water zone, 65 



Shape of fishes, 92 



Shellfish cleansing stations, 311 



Shellfish Industry, The, 293 



Shellfish, Purification of, 310, 

 Plate 111 



Shells, 349 



Ships, Research, 257, Plate 97 



Shipworm, 135, 152, 202, Text 

 fig. 27, Plate 53 ; Head of, 137, 

 Text fig. 28 ; Shell of, 138, 

 Text fig. 29 ; Young of, 140, 

 Text fig. 30 ; Wood rafts 

 destroyed by, Plate 57 



Shore, 26 



Shore crab, 35, 40, 317, Plates 

 16, 80 



Shore fishes, 36, 47 



Shore insects, 33, 47 



Shores, Rocky, 29 ; Sandy, 37 



Shrimp, 39, Plate 117 



Sibbald's rorqual, 103 



Sipho, 68 



Siphonophores, 130 



Sipunculids, 20, 67 



Skate, 80, 83, 94 ; Eggs of, 81, 



Plate 31 

 Slugs, Sea, 37, 42, 61, 183, 210, 



Plate 17 ; Feeding of, 206 ; 



Spawn of, 50, Plate 17 

 Smoking of fish, 342 

 Smooth blenny, 36, Plate 8 

 Smooth winkle, 32, Plate 9 

 Snails, 32, 37, 61 ; Feeding of, 



205, Plate 75 ; Radula of, 



202, Text fig. 44 

 Snake-locked anemone, 37 

 Snakes, Sea, 24, 108 

 Solaster, 66, Plate 15 

 Solen, 38, 48, Text fig. 7 

 Sounding apparatus, 255, Text 



fig. 53 

 Sounding, Echo, 256 

 Soundings, 254 

 Spatangus, 63 



Spawn of sea slugs, 50, Plate 17 

 Spawning of fishes, 77 

 Spawning of shore animals, 49 

 Specific gravity, 223 

 Sperm whale, 102, Plate 42 ; 



Text fig. 20 

 Spermaceti, 345 

 Sphasroma, 147, 150 

 Spider crabs, 35, 42, 67, Plate 20 

 Spiny cockle, 63 

 Spiny lobster, 316 

 Spirobis, 33 



Spisula, 68, 326, Plate 118 

 Sponge fisheries, 356 

 Sponges, 18, 22, 36, 44, 52, 62, 



66, 70, 71, 213, 356 ; Boring, 



147, Plate 55 ; Feeding of, 197 ; 



of commerce, 358, Plate 126 

 Spring Diatoms, 112, Plate 46 

 Spring-tail, 34 



Squat-lobster, 35, 67, Plate 14 

 Squids, 23, 105, 106, 182, 



Plate 39 ; feeding of, 206 ; 



Luminescence of, 192, Plate 



74 ; Shell of, 106, Plate 32 



