ON WAVES. 

 Table XVIII. continued. 



363 



Section II Waves of the Second Order. 



Oscillating Waves. 



Character Gregarious. 



o • f Stationary. 



Species . . . . , { ^ .•' 



^ \ Trogressive. 



Varieties < ^ ' , 



L r orced. 



{Stream ripple. 

 Wind wave.s. 

 Ocean swell. 



