718 ON THE TIDAL STREAMS OF THE NORTH SEA AND ENGLISH CHANNEL. 
Explanation of the Plates. 
Chart of the places of observation 
.Chart of the stream at one hour after H.W. . . 
Chart of the stream at two hours after H.W. . . 
Chart of the stream at three hours after H.W. . 
Chart of the stream at six hours after H.W. . . 
Chart of the stream at five hours before H.W. 
Chart of the stream at three hours before H.W. . 
Chart of the stream at one hour before H.W. 
Plan 1. Rotatory and true streams compared . 
Plan 2. Mean section of Channel wave . . . 
Plan 3. Hourly section of the rising tide-wave . 
Plan 4. Hourly section of the falling tide wave. 
Plate XXXII. 
Plate XXXIII. 
Plate XXXIV. 
Plate XXXV. 
Plate XXXVI. 
Plate XXXVII. 
Plate XXXVIII 
Plate XXXIX. 
Plate XL. 
Plate XLI. 
Plate XLII. 
Plate XLIIL 
