372 INDEX 



ST. LAWRENCE River, waves on, 284 



St. Maurice, Rhone Valley, roll-waves in conduit, 318 



Sand, movement of, by waves, 158-166 



Sand-bank 



The Shambles, 206-210 



The Skerries, 211 



Sand-banks, shifting of, effect on tidal bores. Sec Severn River 

 Scoresby, the Rev. William, observations by, 42 

 Severn River, tidal bore in, 232-262 

 Shingle 



Action of waves to drive shorewards, 144 



Effect of undertow on, 166 



'Longshore transport of, 178 

 Ship-waves, 346 



Possible effect on apparent wave-length of waves observed 



at sea, 72 

 Sounds 



Of running water, 333 



Of waterfalls, 334 

 South wold, drift of shingle at, 184 

 Stevenson, Mr. Thos., table of height of waves as related to 



length of fetch of wind, 32 

 Stokes, Sir G. G. 



Observations on swell by, 93 



On the symmetry of waves of permanent type, 135 



On the steepest wave, 136 

 Swell. See Waves 



TEES, River, roll-waves in, 223 

 Territet-Glion, roll-waves in conduit, 296 

 Tides 



In relation to transport of shingle, 180 



At Portland, 208 

 Tschingelbach, falls of the, 342 

 Tyndall, Prof. J., 341 



UNDERTOW, effect on transport of shingle, 166 

 Ure, River, roll-wave in, 225 



